Question

1.An element X is the second most abundant in the earth's crust by mass.
Quartz is one of its oxide forms. What is this element?
(A) Silicon (B) Carbon (C) Aluminum (D) Magnesium
2.The element that is stored in water is
(A) Sodium (B) Potassium (C) Carbon (D) white Phosphorus
3.Which of the following metals has strong metallic bond?
(A) Sodium (B) Magnesium (C) Aluminum (D) all of these
4.In a laboratory experiment teacher gave instructions to the students to do the
following process. Take the substance X and add hot water to it. The reaction takes
place with effervescence and a Colourless gas evolved burns with a pale blue flame.
Then the given substance is:
(A) K
(B) Mg
(C) AI
(D) Fe
5.Generally the oxides of non-metals are acidic in nature. Which of the following is
not acidic?
(A) NO (B) AS03 (C) CO (D) CO
6.Which of the following metals can replace Fe in aqueous iron (II) sulphate solution?
(A) Ag
(B) Cu (C) Mg (D) Pb
7.Red hot iron reacts with steam to give and hydrogen
(A) Feo (B) Fe,, (C) FeO, (D) None of these
8.Which of the following is an amphoteric oxide?
(A) C1,9 (B) Na, 0 (C) CaO (D) A1,
9.Aluminum on reaction with sodium hydroxide forms
(A) Na, AIC (B) NaAlC (C) NaAlC (D) None of these
10.Which of the following solid at room temperature
(A) S
(B) CI,
(C) Hg
(D) Br

Answer 1

Q1. Answer - Option (a) Silicon

Q2. Answer - Option (d) Phosphorus

Q3. Answer - Option (c) Aluminium

Answer 2

Answer:

1. (a) Silicon

2. (a) Sodium

3. (c) Aluminium

4. (a) K

5. (b) ASO3

6. (c) Mg

7. (c) FeO

8. (d) Al

9. (d) None of these

10. (a) S

Hope it helps you :)  [tried my best to give you the appropriate answers] :3