Metals and Non-metals MCQ Questions for Class 10 Science Chapter 3 with Answers

Class 10 Science MCQ

NCERTCOURSE.COM- Find here the NCERT/CBSE chapter-wise Multiple Choice Questions from Class 10 Science book Chapter 3 Metals and Non-metals with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Metals and Non-metals. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

MCQ Questions for Class 10 Science with Answers Chemistry

Q1. Which one among the following is an acidic oxide?

(i) Na2O
(ii) CO
(iii) CO2
(iv) Al2O3

Answer: (iii)

Q2. Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?

(i) H2SO4
(ii) HCl
(iii) HNO3
(iv) All of these

Answer: (iii)

Q3. Al2O3 + 2NaOH → …… + H2O

(i) Al(OH)3
(ii) Na2O
(iii) NaAlO2
(iv) AlNaO2

Answer: (iii)

Q4. In extraction of copper, the flux used is

(i) CaO
(ii) SiO2
(iii) FeO
(iv) FeSiO3

Answer: (ii)

Q5. The slag obtained during the extraction of copper pyrites is composed mainly of

(i) Cu2S
(ii) FeSiO3
(iii) CuSiO3
(iv) SiO2

Answer: (ii)

Q6. Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?

(i) FeO
(ii) Fe2O3
(iii) Fe3O4
(iv) Fe2O3 and Fe2O4

Answer: (iii)

Q7. Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin?

(i) Sonorousness
(ii) Malleability
(iii) Ductility
(iv) Conductivity

(i) Sonorousness

Q8. Which one of the following four metals would be displaced from the solution of its salts by other three metals?

(i) Mg
(ii) Ag
(iii) Zn
(iv) Cu

(ii) Ag

Q9. The poorest conductor of heat among metals is

(i) Lead
(ii) Mercury
(iii) Calcium
(iv) Sodium

(i) Lead

Q10. Galvanisation is a method of protecting iron from grudging by coating with a thin layer of

(i) Galium
(ii) Aluminium
(iii) Zinc
(iv) Silver

(iii) Zinc

Q11. Metal always found in free state is:

(i) Gold
(ii) Silver
(iii) Copper
(iv) Sodium

(i) Gold

Q12. The most abundant metal in the earth’s crust is

(i) Iron
(ii) Aluminium
(iii) Calcium
(iv) Sodium

(ii) Aluminium

Q13. Metal M occurs in the Earth’s crust as its oxide M2O3. An alloy of this metal is used in making aircrafts. The ore of the metal M is

(i) magnetite
(ii) haematite
(iii) bauxite
(iv) pyrolusite

(iii) bauxite

Q14. The highly reactive metals like Sodium, Potas-sium, Magnesium, etc. are extracted by the

(i) electrolysis of their molten chloride
(ii) electrolysis of their molten oxides
(iii) reduction by aluminium
(iv) reduction by carbon

(i) electrolysis of their molten chloride

Q15. The earthy impurities associated with mineral used in metallurgy are called

(i) Slag
(ii) Flux
(iii) Gangue
(iv) Ore

(iii) Gangue

Q16. The poorest conductor of heat among metals is

(i) Lead
(ii) Mercury
(iii) Calcium
(iv) Sodium

(i) Lead

Q17. Which of the following non-metal is lustrous?

(i) Sulphur
(ii) Oxygen
(iii) Nitrogen
(iv) Iodine

(iv) Iodine

Q18. An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept in open. It reacts vigorously with water. Identify the element from the following:

(i) Mg
(ii) Na
(iii) P
(iv) Ca

(ii) Na

Q19. The process in which a carbonate ore is heated strongly in the absence of air to convert it into metal oxide is called

(i) Roasting
(ii) Reduction
(iii) Calcination
(iv) Smelting

(iii) Calcination

Q20. The sulphide ore among the following is

(i) haematite
(ii) bauxite
(iii) argentite
(iv) zinc blende

(iv) zinc blende

Q21. Malachite is an are of:

(i) Iron
(ii) Copper
(iii) Mercury
(iv) Zinc

(ii) Copper

Q22. A basic lining is given to a furnace by using

(i) Calcined dolomite
(ii) Copper sulphate
(iii) Haematite
(iv) Silica

(i) Calcined dolomite

Q23. The atomic number of an element ‘X’ is 12. Which inert gas is nearest to X?

(i) He
(ii) Ar
(iii) Ne
(iv) Kr

(iii) Ne

Q24. Galvanisation is a method of protecting iron from rudftng by coating with a thin layer of

(i) Galium
(ii) Aluminium
(iii) Zinc
(iv) Silver

(iii) Zinc

I Think the given NCERT MCQ Questions for class 10 Science book Chapter 3 Metals and Non-metals with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 10 Science Metals and Non-metals MCQs Multiple Choice Questions with Answers, drop a comment below and that we will come back to you soon.

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