Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Chemical composition of cement is –
a. Limestone and Clay
b. Limestone, Clay and Gypsum
c. Limestone and Gypsum
d. Clay and Gypsum
Q. Non-metallic character increases from
a. Magnesium to Barium
b. Potassium to Cesium
c. Oxygen to Selenium
d. Sodium to Chlorine
Q. In organic compounds, nitrogen is estimates by -
a. Dumas method
b. Carius method
c. Victor-meyer's method
d. Liebig's method
Q. Atomic explosion is triggered by -
a. thermo nuclear reaction
b. chemical reaction
c. controlled chain reaction
d. uncontrolled chain reaction
Q. Stalactites and Stalagmites form due to the precipitation of :
a. CaCO3
b. CaCl2
c. MgCl2
d. MgCO3
Q. Fullerenes form a class of carbon allotropes. The first one to be identified was -
a. C-59
b. C-60
c. C-61
d. C-69
Q. Which one of the following is found in Vinegar?
a. Acetic acid
b. Propionic acid
c. Formic acid
d. Butyric acid
Q. The gas produced in marshy places due to decomposition of vegetation is –
a. Carbon monoxide
b. Carbon dioxide
c. Sulphur dioxide
d. Methane
Q. The chemical name of "Hypo" commonly used in photography is –
a. Sodium thiosulphate
b. Silver nitrate
c. Sodium nitrate
d. Silver iodide
Q. The process of improving the quality of rubber by heating it with sulphur is called.
a. Vulcanization
b. Acceleration
c. Sulphonation
d. Galvanization