Read these chemical reactions and equations class 10 MCQ pdf with answers. This MCQ of Metals and Non Metals Class 10 is prepared by our expert teachers on the latest exam pattern of the CBSE Board Exam. It will help you to make your preparation better to score good marks in your exam.

Please refer to Chapter 3 Metals and Non Metals MCQ Class 10 Science with answers below. These multiple-choice questions have been prepared based on the latest NCERT book for Class 10 Science. Students should refer to MCQ Questions for Class 10 Science with Answers to score more marks in Grade 10 Science exams. Students should read the chapter Metals and Non Metals and then attempt the following objective questions.

MCQ Questions Class 10 Science Chapter 3 Metals and Non Metals

The Metals and Non Metals MCQ Class 10 Science provided below covers all important topics given in this chapter. These MCQs will help you to properly prepare for exams.

Question.The atomic number of an element ‘X’ is 12. Which inert gas is nearest to X?
(a) He
(b) Ar
(c) Ne
(d) Kr

Question. The slag obtained during the extraction of copper pyrites is composed mainly of
(a) Cu ₂ S
(b) FeSiO ₃
(c) CuSiO ₃
(d) SiO ₂

Question. During smelting, an additional substance is added which combines with impurities to form a fusible product. It is known as
(a) Slag
(b) Mud
(c) Gangue
(d) Flux

Question. The process in which a carbonate ore is heated strongly in the absence of air to convert it into metal oxide is called
(a) Roasting
(b) Reduction
(c) Calcination
(d) Smelting

Question. Most abundant metal on the surface of the earth
(a) Iron
(b) Aluminium
(c) Calcium
(d) Sodium

Question. Some crystals of CuSO₄ were dissolved in water. The color of the solution obtained would be
(a) Green
(b) Red
(c) Blue
(d) Brown

Question. Example of an amphoteric oxide is:
(a) Na ₂ O
(b) K ₂ O
(c) Al ₂ O ₃
(d) MgO

Question. The most abundant metal in the earth’s crust is
(a) Iron
(b) Aluminium
(c) Calcium
(d) Sodium

Question. A metal ‘M’ of moderate reactivity is present as its sulphide ‘X’. On heating in air, ‘X’ converts into its oxide ‘Y’ and a gas evolves. On heating ‘Y’ and ‘X’ together, the metal ‘M’ is produced. ‘X’ and ‘Y’ respectively are     
(a) ‘X’ cuprous sulphide, ‘Y’ cuprous oxide
(b) ‘X’ cupric sulphide, ‘Y’ cupric oxide
(c) ‘X’ sodium sulphide, ‘Y’ sodium oxide
(d) ‘X’ calcium sulphide, ‘Y’ calcium oxide

Question. Metal present in chloroplast is   
(a) Iron
(b) Copper
(c) Magnesium
(d) Cobalt

Question. The major products of the following reaction, ZnS(s) + O₂(g) Heat → ……….are   
(a) ZnO and SO₂
(b) ZnSO₄ and SO₃
(c) ZnSO₄ and SO₂
(d) Zn and SO₂

Question. The following observations are given for four metals:   
I. Metal H does not react with dilute HCl.
II. Metal K reacts with warm water.
III. Metal L does not react with water but displaces metal H from its aqueous salt solution.
IV. Metal M reacts with cold water.
Choose the correct decreasing order of reactivity of these metals amongst the following:
(a) M > L > H > K
(b) K > M > H > L
(c) M > K > L > H
(d) L > H > K > M

Question. In the combined state, zinc is mainly found as – 
(a) chloride
(b) bromide
(c) oxide
(d) sulphide

Question. _____________ alloy is used for welding electrical wires   
(a) Solder
(b) Germen silver
(c) Stainless steel
(d) Gun metal

Question. Which of the following metals react with conc. sulphuric acid but does not react with a solution of ferrous sulphate?   
(a) Cu
(b) Zn
(c) Fe
(d) Mg

Question. Which of the following will give displacement reactions ?     
(a) NaCl solution and copper metal
(b) MgCl₂ solution and aluminium metal
(c) FeSO₄ solution and silver metal
(d) AgNO₃ solution and copper metal

Question. Which of the following is incorrect?   
(a) Chalcocite – Copper
(b) Magnetite – Iron
(c) Calamine – Aluminium
(d) Galena – Lead

Question. ______ gas is evolved when Mn react with very dilute HNO₃   
(a) NO₂
(b) H₂
(c) N₂O
(d) NO

Question. Magnesium ribbon is rubbed with sand paper before making it to burn. The reason of rubbing the ribbon is to:   
(a) remove moisture condensed over the surface of ribbon.
(b) generate heat due to exothermic reaction.
(c) remove magnesium oxide formed over the surface of magnesium.
(d) mix silicon from sand paper (silicon dioxide) with magnesium for lowering ignition temperature of the ribbon.

Question. Aqueous solution of CsO₂ is :   
(a) Basic
(b) Neutral
(c) Acidic
(d) Amphoteric

Question. An iron nail was suspended in CuSO ₄ solution and kept for a while the solution is
(a) Remained blue and coating was found on the nail.
(b) turned green and a coating was formed on the nail
(c) remained blue and no coating was formed on the nail
(d) turned green and no coating was formed on the nail

Question. In thermite welding a mixture of …… and …… is ignited with a burning magnesium ribbon which produces molten iron metal as large amount of heat is evolved.
(a) iron (III) oxide and aluminium powder
(b) iron (II) oxide and aluminium powder
(c) iron (III) chloride and aluminium powder
(d) iron (III) sulphate and aluminium powder

Question. In the thermite process, the reducing agent is
(a) Nickel
(b) Zinc
(c) Sodium
(d) Aluminium

Question. The sulphide ore among the following is
(a) haematite
(b) bauxite
(c) argentite
(d) zinc blende

Question. The poorest conductor of heat among metals is
(a) Lead
(b) Mercury
(c) Calcium
(d) Sodium

Question. Which one among the following is an acidic oxide?
(a) Na ₂ O
(b) CO
(c) CO ₂
(d) Al ₂ O ₃

Question. Metal always found in free state is:
(a) Gold
(b) Silver
(c) Copper
(d) Sodium

Question. Zone refining is used for the
(a) concentration of an ore
(b) Reduction of metal oxide
(c) Purification of metal
(d) Purification of an ore

Question. Malachite is an are of:
(a) Iron
(b) Copper
(c) Mercury
(d) Zinc

Question. Oxides of moderately reactive metals like Zinc, Iron, Nickel, Tin, Copper etc. are reduced by using
(a) Aluminium as reducing agent
(b) Sodium as reducing agent
(c) Carbon as reducing agent
(d) Calcium as reducing agent

Question. Which of the following non-metal is lustrous?
(a) Sulphur
(b) Oxygen
(c) Nitrogen
(d) Iodine

Question. Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin?
(a) Sonorousness
(b) Malleability
(c) Ductility
(d) Conductivity

Question. A basic lining is given to a furnace by using
(a) Calcined dolomite
(b) Copper sulphate
(c) Haematite
(d) Silica

(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.

Question. Assertion : Nitrate ores are rarely available.   
Reason : Bond dissociation energy of nitrogen is very high.

Question. Assertion: Carbonate ores are changed into oxides by roasting process.   
Reason: It is easier to obtain a metal from its oxides.

Question. Assertion: Electric wires are made up of copper.   
Reason: Non metals are bad conductor of electricity.

Question. Assertion : Zinc becomes dull in moist air.   
Reason : Zinc is coated by a thin film of its basic carbonate in moist air.

Question. Assertion : Different metals have different reactivities with water and dilute acids.   
Reason : Reactivity of a metal depends on its position in the reactivity series.

Question. Assertion: Sodium, potassium and magnesium are never found as free elements in nature.   
Reason: Sodium, potassium and magnesium are reactive elements.

Question. Assertion : Zinc is used in the galvanisation of iron.   
Reason : Its coating on iron articles increases their life by protecting them from rusting.

Question. Assertion: Metals are electropositive elements.   
Reason: Metals form positive ions by losing electrons.

Question. Assertion: Potassium oxide is a basic oxide.   
Reason: Solution of potassium oxide in water turns red litmus blue.

Question. Assertion : Iron is found in the free state in nature.     
Reason : Iron is highly reactive element.

Fill in the Blanks :

Question. The best conductors of electricity are copper and …………  

Question. Manganese and …………… react with very dilute nitric acid to evolve hydrogen gas.  

Question. The method of removing volatile matter from carbonate ores is known as …………………. .   

Question. The main ore of copper is …………………. .   

Question. In electrolytic refining, impure metal is used as ……………..    

Question. Bronze is an alloy of copper and ………………. .   

Question. Metals combine with oxygen to form ……… oxides.  

True / False :

Question. Different metals have same reactivities with water and dilute acids.  

Question. Aluminium is the most abundant metal in the earth’s crust.  

Question. A more reactive metal displaces a less reactive metal from its salt solution.  

Question. Roasting is done for sulphide ores.  

Short Answer type Questions :

Question. Which gas is produced with dilute hydrochloric acid when it is added to a reactive metal?

Question. Diamond and graphite are allotropes of carbon. Which elements are related to these allotropes?

Question. Give examples for best conductors of heat.

Question. What do you mean by ‗reactivity series‘?

Question. Name the hardest natural substance.

Question. Why does sodium and potassium catch fire when react with water?

Question. Name the metal oxides that form alkalis in water.

Question. Name the most ductile metal.

Question. What would you observe when zinc is added to a solution of iron III sulphate?

Question. Write equation for the reaction of iron with steam

MCQ on Metals and Non Metals Class 10 is great for preparing for the CBSE Class 10 board examinations. CBSE Class 10 Science Syllabus is much bigger and requires concentrated efforts on the part of the student to face the examinations and pop out a success.

Class 10 Metals and Non Metals MCQ pdf download consist of details for all chapters from the subjects. Each explanation is provided with all the assumptions and good judgment used to determine the conclusion. This will allow the students to study and understand each concept even though they are preparing for the first time.

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