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

Quiz Instructions

Select an option to see the correct answer instantly.

1. A student is given a sample of an unknown substance. He is asked to determine if it is classified as a metal, a metalloid, or a nonmetal. He discovered that the unknown element conducted some heat and electricity, had a shiny luster, and broke easily. This element is most likely a
2. Which of the following is a property of non-metals?
3. The best malleable metal is
4. A chemical bond resulting from the electrostatic attraction between positive and negative ions is called a(n)
5. When sodium reacts with water it starts floating
6. Which of the following is the correct arrange-ment of the given metals in ascending order of their reactivity? (Zinc, Iron, Magnesium, Sodium)
7. Most metals are solid at room temperature
8. Of these, the most ductile metal is
9. Complete the word equation, Iron + Oxygen goes to
10. Which metal produces MOST vigorous reaction when reacts with oxygen?
11. Which of the following is NOT a characteristic of most metals?
12. Sodium reacts with water to produce
13. What is a conductor?
14. Which of the following pairs will give dis-placement reactions?(a) FeSO4 solution and Copper metal(b) AgNO3 solution and Copper metal(c) CuSO4 solution and Silver metal(d) NaCl solution and Copper metal
15. Although metals form basic oxides, which of the following metals form an amphoteric oxide?
16. Electronegative elements
17. Which of these is true
18. An element X is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following(a) Mg(b) Na(c) P(d) Ca
19. A non-metal 'X' exists in two different forms 'Y' and 'Z\'Y' is hardest natural substance, whereas 'Z' is good conductor of electricity. Identify X, Y and Z.
20. The electronic configurations of three elements X, Y and Z are X-2, 8; Y-2, 8, 7 and Z-2, 8, 2.Which of the following is correct?
21. Aluminum can be hammered into different shapes or rolled into flat sheets. This means Aluminum is
22. The atomic number of an element Y is 17. The number of electrons in its ion $X^-$
23. Which of the following is the most ductile metal?
24. Non-metal that is a good insulated of electrical
25. 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: