GENERAL SCIENCE MCQS SET 11

GENERAL SCIENCE MCQS SET 11

1. Which one of the following does not react with acids?
a. Cu
b. Ni
c. Cr
d. O
Ans:(d)
 
2. Which one of the following gas burns with the "pop" sound?
a. Oxygen
b. Hydrogen
c. Chlorine
d. Hydrogen sulphide
Ans:(b)
 
3. Which of the following can be beaten in to thin sheets?
a. Zinc
b.Phosphorus
c. Sulphur
d. Oxygen
Ans:(a)
 
4. Which of the following statements are correct?
a. All metals are ductile
b All non metals are ductile
c Generally metals are ductile
d.some metals are ductile
Ans:(c)
 
5. What happens when dilute sulphuric acid is poured on a copper plate?
a. Copper sulphate formed
b. Zinc sulphate formed
c. Copper chloride formed
d. Zinc sulphate formed.
Ans:(a)
 
6. On burning metals react with oxygen to produce-
a. Metal hydroxide
b. Metal chloride
c. Metal oxide
d. Metal sulphate
Ans:(c)
 
7. Which gas produced by piece of burning charcoal?
a. CO2
b. CO
c. H2S
d. O2
Ans: (b)
 
8. Which non metal is essential for our life and inhale during breathing?
a. H
b. O
c. C
d. N
Ans:(b)
 
9. Non metals used in-
a. Aeroplanes
b. making machinery
c. Water boilers
d. Fertilisers
Ans: (d)
 
10. Which one of the following is applied on wounds as an antiseptic?
a. Metals
b. Non metals
c. Metalloids
d. All of these
Ans:(b)