Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Minamata disease is a nervous disorder caused by eating fish, polluted with
a. Iron
b. Lead
c. Mercury
d. Nickel
Q. Which of the following is used to denature ethanol?
a. Methyl alcohol
b. Propyl alcohol
c. Phenol
d. Methane
Q. The charcoal used to decolorize brown sugar solution is
a. Wood charcoal
b. Coconut charcoal
c. Animal charcoal
d. Sugar charcoal
Q. Which one of the following is used as a sowing agent in the preparation of soft drinks?
a. Phosphoric acid
b. Phosphorus acid
c. Salicylic acid
d. Boric acid
Q. The coating of a thin layer of zinc on steel or iron objects is known as –
a. Hot dipping
b. Tinning
c. Galvanising
d. Electroplating
Q. Which of the following produces highest amount of energy upon oxidation?
a. Protein
b. Fat
c. Glucose
d. An alkane
Q. The National Chemical Laboratory (India) is located in –
a. Mumbai
b. Bangaluru
c. Hyderabad
d. Pune
Q. The residue left after extracting juice from sugar beet and sugarcane is called –
a. molasses
b. bagasse
c. whey
d. biomass
Q. Indane gas is a mixture of which gases?
a. butane and hydrogen
b. butane and propane
c. butane and oxygen
d. methane and oxygen
Q. Who among the following discovered electron?
a. J.J Thomson
b. Max Born
c. Antoine Lavoisier
d. Mendeleef
Q. Acid rain is due to air pollution by -
a. Carbon dioxide
b. Carbon monoxide
c. Methane
d. Nitrous oxide and Sulfur dioxide