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

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which of the following is not a metalloid?
2. Observe the given information with respect to some elements and choose the correct name of the elements Elements A B C D Electrons K 2 2 2 2 L 8 8 6 8 M 1 8 0 4 N 0 1 0 0
3. Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same? (A) Good thermal conductivity (B) Good electrical conductivity C) Ductility (D) High melting point
4. Kalhaee is coating a layer of ..... over copper or brass.
5. If an element has 3 valence electrons, what charge will likely form on its ion?
6. Bronze is made up of:
7. Name the metal which is brittle.
8. Metals generally react with dilute acids to produce hydrogen gas. Which one of the following metals does not react with dilute hydrochloric acid?
9. Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon?
10. Sulphur reacts with oxygen to form:
11. Iron is a good conductor, malleable and magnetic. What type of element is Iron?
12. Which has a higher density?
13. Which of these grouping of elements could have the characteristic of luster (shiny)?
14. Which one among the following is an acidic oxide?(a) Na2O(b) MgO(c) CO2(d) Al2O3
15. Iron does not burn on heating but iron filings burn vigorously when sprinkled in the flame of the burner. The reason behind this is:
16. Metals that react quickly/strongly with water and acids are called?
17. Metals that can be cut with the knife
18. Aqua regia consists of hydrochloric acid and nitric acid in the ratio
19. Unknown element W has 2 valence electrons. Unknown element X has 7 valence electrons. Which formula shows the most likely outcome when elements W and X react?
20. Which of the following metal is hard and cannot be cutted by kife?
21. Which oxide of a metal gets reduced only by coke and not by H$_{2}$ gas or CO gas?
22. The solution of ash of magnesium ribbon is
23. What is the state of most non-metals at room temperature?
24. Which of the following non-metal is a good conductor of electricity
25. Which 3 metals are magnetic?