Class 10 Science Chapter 3 Metals And Non Metals Quiz 5 (25 MCQs)

Quiz Instructions

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1. What is the chemical formula of sulphurous acid-
2. A metal which occur in free state
3. The property by which metals can be beaten into sheets is known as ..... A. ductilityB. sonorityC. lustureD. malleability
4. Carbonate ores are first ..... and converted into oxide ores.
5. Due to its semiconductor properties the non-metal used in computer, T.V. etc. is
6. Where are the non-metallic elements found in the periodic table?
7. Solder is an alloy of?
8. Which of these is a metal?
9. Which of the given choices correctly shows the three main groups of elements listed from least conductivity to greatest conductivity?
10. Corrosion of metals involves
11. The reaction of zinc with dilute and concentrated nitric acid, respectively, produces:
12. Metals are good conductors of heat, true or false?
13. Have a high melting point
14. What is a common property of non-metals?
15. Which of these is a hard non metal?
16. Which of the following metals catch fire on reaction with air?
17. Which one of the following gas burns with the "pop" sound?
18. Among these, which metal has the highest density but the lowest melting and boiling point?
19. Which metal is used in making big ships?
20. Which metal is found in liquid state t room temperature?
21. Magnesium ribbon burns to produce MgO and this oxide further reacts with water to give rise to Mg (OH)$_{2, }$which changes red litmus to blue one.What is the nature of this compound?
22. What is the formula for copper(I) sulfate?
23. Red litmus paper turns blue when it is dipped in
24. The process of coating iron with a thin layer is called?
25. Almost all metals are very hard and non-metals are not very hard.Which following pair is an exception to this statement?