CBSE CLASS-10 SCIENCE CHAPTER-03 METALS AND NON-METALS
QUIZ NO 1
TOTAL QUESTIONS = 15
1. What happens when a pellet of sodium is dropped in water?
A. It catches fire and forms oxide
B. It absorbs heat and forms oxide
C. It absorbs heat and forms hydroxide
D. It catches fire and forms hydroxide
2. The metals that float when treated with water are:
A. Sodium and calcium
B. Magnesium and calcium
C. Magnesium and sodium
D. Manganese and sodium
3. Which of the following oxides of iron would be obtained on the prolonged reaction of iron with steam?
A. Fe
2
O
3
B. Fe
3
O
4
C. Fe
2
O
3
and Fe
3
O
4
D. FeO
4. Aqua regia is a freshly prepared mixture of concentrated HNO
3
and concentrated HCl in the ratio of:
A. 2:3, respectively
B. 1:3, respectively
C. 3:2, respectively
D. 3:1, respectively
5. Which of the following options gives the process of extraction of mercury from its ore cinnabar?
A. Cinnabar in the presence of limited air, and then adding a small amount of water
B. Cinnabar to convert it into mercuric oxide and then heating it again
C. Cooling cinnabar in the presence of excess air
D. Cooling cinnabar to convert it into mercuric oxide and then heating it
6. Which of the following can undergo a chemical reaction?
A. CuSO
4
+ Fe
B. ZnSO
4
+ Fe
C. MgSO
4
+ Fe
D. MgSO
4
+ Pb
7. The arrangement for Copper, Tin, Lead and Mercury, according to the reactivity series, is:
A. Lead> Copper> Mercury> Tin
B. Mercury> Tin> Lead> Copper
C. Tin> Lead> Copper> Mercury
D. Copper> Mercury> Tin> Lead
8. When calcium oxide is added to water, it completely dissolves in water without forming bubbles. What products are formed in this reaction?
A. Ca and H
2
O
2
B. CaH
2
C. Ca(OH)
2
D. Ca and H
2
9. Pick the statement which is correct about the non-metal.
A. All of these
B. Br is an example of a liquid non-metal.
C. Graphite is a good conductor of electricity
D. Most of the non-metal oxides are acidic
10. A student wrote two incomplete chemical reactions: x - P
4
(s) + 5 O
2
(g) → y - 2 Mg (S) +O
2
(g)→. Which option completes the reactions to form a balanced chemical equation?
A. X – 5P
4
O
2
(s)
Y – Mg
2
O
2
(s)
B. X – P
4
O
10
(s)
Y – 2MgO(s)
C. X – P
5
O
4
(s)
Y – (MgO)
2
(s)
D. X – 4P
10
(s)
Y – 4MgO(s)
11. The chemical reaction between a piece of copper and nitric acid is given by the chemical equations, Cu + HNO
3
→ Cu(NO
3
)
2
+ H
2
H
2
+ HNO
3
→ H
2
O + NO
2
. What can be inferred from the chemical equation?
A. Hydrogen gas gets oxidised by HNO
3
to form water
B. Gas reacts with oxygen in the air to form water
C. Copper causes the oxidation of HNO
3
to form NO
2
D. Nitrate reacts with hydrogen to form NO
2
and H
2
O
12. When hydrochloric acid is added to barium hydroxide, a white-coloured compound is formed. Which of the following option gives the complete chemical reaction?
A. 2HCl + Ba(OH)
2
→ BaH
2
+ 2HCl + O
2
B. HCl + Ba(OH)
2
→ BaCl
2
+ 2HOH
C. HCl + 2Ba(OH) → 2BaCl
2
+ 2HOH + O
2
D. 2HCl + Ba(OH)
2
→ BaCl
2
+ 2HOH
13. Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
A. (i) and (iv)
B. (ii) and (iii)
C. (i) and (iii)
D. (i) and (ii)
14. A non-metal used to preserve food material is:
A. Carbon
B. Phosphorus
C. Nitrogen
D. Sulphur
15. When a non-metal is allowed to react with water:
A. CO
2
gas is formed
B. Product formed depends on the temperature
C. H
2
gas is formed
D. No products are formed
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