General Science
Q.1) Which of the following is a non metal that remains liquid at room temperature?
A. Helium
B. Chlorine
C. Phosphorous
D. Bromine
Answer: Option Answer - Bromine
Q.2) Which of the following is used in pencils?
A. Charcoal
B. Graphite
C. Silicon
D. Phosphorous
A. Charcoal
B. Graphite
C. Silicon
D. Phosphorous
Answer: Option Answer - Graphite
Q.3) Which of the following metals forms an amalgam with other metals?
A. Tin
B. Lead
C. Mercury
D. Zinc
A. Tin
B. Lead
C. Mercury
D. Zinc
Answer: Option Answer - Mercury
Q.4) Chemical formula for water is -
A. NaAlO2
B. CaSiO3
C. Al2O3
D. H2O
A. NaAlO2
B. CaSiO3
C. Al2O3
D. H2O
Answer: Option Answer - H2O
Q.5) Washing soda is the common name for -
A. Calcium bicarbonate
B. Sodium carbonate
C. Sodium bicarbonate
D. Calcium carbonate
A. Calcium bicarbonate
B. Sodium carbonate
C. Sodium bicarbonate
D. Calcium carbonate
Answer: Option Answer - Sodium carbonate (Sodium carbonate (also known as washing soda or soda ash), Na2CO3 is a sodium salt of carbonic acid.)
Q.6) Which of the gas is not known as green house gas?
A. Methane
B. Carbon dioxide
C. Nitrous oxide
D. Hydrogen
A. Methane
B. Carbon dioxide
C. Nitrous oxide
D. Hydrogen
Answer: Option Answer - Hydrogen(H2)
Q.7) Bromine is a -
A. black solid
B. colourless gas
C. red liquid
D. highly inflammable gas
A. black solid
B. colourless gas
C. red liquid
D. highly inflammable gas
Answer: Option Answer - red liquid
Q.8) Tetraethyl lead is used as
A. petrol additive
B. fire extinguisher
C. pain killer
D. mosquito repellent
A. petrol additive
B. fire extinguisher
C. pain killer
D. mosquito repellent
Answer: Option Answer - petrol additive
Q.9) The gases used in different types of welding would include
A. oxygen, hydrogen, acetylene and nitrogen
B. oxygen and hydrogen
C. oxygen and acetylene
D. oxygen, acetylene and argon
A. oxygen, hydrogen, acetylene and nitrogen
B. oxygen and hydrogen
C. oxygen and acetylene
D. oxygen, acetylene and argon
Answer: Option Answer - oxygen and acetylene
Q.10) The average salinity of sea water is -
A. 2%
B. 3%
C. 2.5%
D. 3.5%
A. 2%
B. 3%
C. 2.5%
D. 3.5%
Answer: Option Answer - 3.5%
See Also :
Numerical Ability
Reasoning Ability
Sentence Improvement