Class 10 Science Chapter 3 Metals And Non Metals Quiz 14 (25 MCQs)

Quiz Instructions

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1. Iron rust in the presence of:
2. Which of the following alloys contains a non-metal as one of the constituents?
3. When a metal 'X' is treated with cold water, It gives base salt 'X' with molecular formula XOH (Molecular mass = 40) and liberate a gas Z which easily catches fire.
4. Calamine is an ore of
5. What happens when calcium is treated with water? (A) It does not react with water (B) It reacts violently with water (C) It reacts less violently with water (D) Bubbles of hydrogen gas formed stick to the surface of calcium
6. The correct pair of best conductors of heat are
7. Will a displacement reaction occur?Magnesium Sulphate + Zinc $\rightarrow$
8. In a reaction one element removes the less reactive element from a compound and it forms its respective salt.Which chemical reaction is this?
9. When MgO is dissolved in water, Mg(OH)2 is obtained. The solution thus obtained is ..... in nature.
10. What does malleable mean?
11. All of these properties describe metals except .....
12. Metalloids are
13. If you have a material that can conduct electricity well it is probably a .....
14. Calling the metal to a thin sheets
15. If a student observes a silvery solid that is malleable, good conductor, and ductile it is a .....
16. Which metal starts to float when reacting with water?
17. A reaction in which a more reactive metal replaces a less reactive metal from its salt solution is called a/an ..... reaction.A. combinationB. displacementC. double displacementD. addition
18. An element oxide, X undergoes the following reactions:X + Acid $\rightarrow$ Salt + WaterX + Base $\rightarrow$ Salt + WaterIs the oxide X an amphoteric oxide?
19. Which one of the following does not react with acids?
20. Which of the following metals are more active with water?
21. What is not a property of a metal?
22. The Electronic Configuration of Sodium (Z=11) is .....
23. Which among these is a non sonorous metal?
24. Metal used in galvanisation is
25. Argon is a ..... at room temperature.