NCERT Class 10 Science Chapter 3 Metals and Non Metals MCQ Question Answer Solution For School Students of Class 10th. We also Provides Notes and Important Questions for Class 10 Science. NCERT Class 10th Science book is applied in mostly boards like CBSE, HBSE, RBSE, Up Board, MP Board and also some other state boards.
Also Read:- Class 10 Science NCERT Solution
NCERT Class 10 Science Chapter 3 Metals and Non Metals MCQ Question and Answer for CBSE, HBSE and Other Boards Solution.
Metals and Non Metals Class 10 Science MCQ
1. Food cans are coated with tin and not with zinc because
(A) zinc is costlier than tin.
(B) zinc has a higher melting point than tin.
(C) zinc is more reactive than tin.
(D) zinc is less reactive than tin.
Answer
Ans. (C) zinc is more reactive than tin.
2. An element reacts with oxygen to give a compound with high melting. This compound is also soluble in water . The element is likely to
(A) Calcium
(B) carbon
(C) silicon
(D) iron.
Answer
Ans. (A) Calcium.
3. Which of the following methods is suitable for preventing an iron frying pan from rusting?
(A) Applying grease
(B) Applying paint
(C) Applying a coating of zinc
(D) all of the above.
Answer
Ans. (C) Applying a coating of zinc
4. Pure gold is made up of
(A) 22 carat
(B) 24 carat
(C) 23 carat
(D) 20 carat
Answer
Ans. (B) 24 carat
5. Galvanization is a process of prevention of iron from rusting by coating it with thin layer of which element?
(A) copper
(B) zinc
(C) gold
(D) Aluminum
Answer
Ans. (B) zinc.
6. Bronze is an alloy of
(A) copper and tin
(B) copper and zinc
(C) lead and tin
(D) none of the above.
Answer
Ans. (A) copper and tin
7. Aqua Regia is a mixture of Hydrochloric acid and nitric acid in ratio
(A) 1 : 3
(B) 3 : 1
(C) 1 : 2
(D) none of the above.
Answer
Ans. (B) 3 : 1
8. Which of the following is most reactive?
(A) K
(B) Na
(C) Ca
(D) Au
Answer
Ans. (A) K
9. Which of the following is lustrous non metal?
(A) Iodine
(B) Nitrogen
(C) bromine
(D) Gold
Answer
Ans. (A) Iodine
10. Which of the following is liquid non metal ?
(A) Iodine
(B) bromine
(C) gold
(D) fluorine
Answer
Ans. (B) bromine
11. Which of the following is most ductile metal?
(A) Silver
(B) Gold
(C) Copper
(D) Zinc
Answer
Ans. (B) Gold
12. Which of the following metal is liquid at room temperature?
(A) mercury
(B) silver
(C) copper
(D) zinc
Answer
Ans. (A) mercury
13. Which of the following metal can be cut with knife easily?
(A) lithium
(B) sodium
(C) potassium
(D) all of the above.
Answer
Ans. (D) all of the above.
14. Sodium is kept immersed in which substance?
(A) Kerosene oil
(B) water
(C) air
(D) none of the above.
Answer
Ans. (A) Kerosene oil.
15. In electrolytic refining, the insoluble impurities settle down at the bottom of anode is known as
(A) gangue
(B) anode mud
(C) ore
(D) rust.
Answer
Ans. (B) anode mud.