Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Spirit in contact with body gives cool sensation because it is –
a. liquid
b. transparent
c. highly volatile
d. a good conductor
Q. In addition to hydrogen, the other abundant element present on Sun’s surface is -
a. Helium
b. Neon
c. Argon
d. Oxygen
Q. If lime water is kept in the air, it turns milky due to presence of –
a. Carbondioxide
b. Nitrogen
c. Oxygen
d. Sulphurdioxide
Q. Heavy metal pollution of water is caused by:
a. Paints
b. Wood burning
c. Acid Plants
d. Domestic sewage
Q. Nitrogen forms a variety of compounds in all oxidation states ranging from -
a. -3 to + 5
b. -3 to +3
c. -3 to + 4
d. -3 to +6
Q. The sewage obtained from water closets and urinals is known as –
a. Sanitary waste
b. Industrial waste
c. Garbage
d. Sullage
Q. In organic compounds, nitrogen is estimated by –
a. Carius method
b. Victor-Meyees method
c. Liebigs method
d. Dumas' method
Q. The hottest part of the gas flame is known as –
a. blue zone
b. non-luminous zone
c. luminous zone
d. dark zone
Q. What is dry ice?
a. Solid Carbon dioxide
b. Solid Nitrogen dioxide
c. Solid Sulphur dioxide
d. Solid Water