Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Gammaxene, D.D.T. and Bleaching powder are important compounds of :
a. Chlorine
b. Nitrogen
c. Sulphur
d. Phosphorus
Q. L.P.G. is a hydrocarbon consisting of a mixture of:
a. Methane and Butane
b. Propane and Butane
c. Ethane and Propane
d. Ethane and Butane
Q. What is Kerogen oil?
a. Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of Oil Shales
b. Its a light crude oil contained in petroleum-bearing formations of shales
c. Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of environmental wastes
d. It‘s a new form of vegetable oil prepared artificially in laboratory
Q. Which among the following was first human-made plastic?
a. Bakelite
b. Polyethene
c. Celluloid
d. Nylon
Q. Which among the following is the correct impact of the London Forces in the Cycloalkanes?
a. The melting and boiling points get increased
b. The Melting and boiling points get decreased
c. There is not impact on the melting and boiling points
d. The melting point increases but boiling point decreases
Q. Gargling with a solution of table salt is known to provide relief for a sore throat because ___ ?
a. It kills bacteria
b. It works as analgesic
c. It dehydrates water from inflammatory tissues by Osmosis
d. Placebo effect
Q. The Potassium graphite and Calcium Graphite can be mostly used as which among the following?
a. Moderators
b. Semiconductors
c. Superconductors
d. Lubricants
Q. Which among the following minerals is also known as Horn Silver?
a. Silver Iodide
b. Silver Chroride
c. Zinc Phosphate
d. Silver Sulphide
Q. Polymetallic Modules (PMN) predominantly contain_____?
a. Calcium
b. Magnesium
c. Manganese
d. Copper
Q. The colors in the fine cut diamond are because of which among the following?
a. Variance in transparency of diamond
b. Variance in index of refraction
c. Presence of Impurities
d. Existence of definite planer layers
Q. Benzoepin, Parrysulfan, Phaser, Thiodan, Thionex etc. are the names of which among the following pesticides?
a. Kepone
b. Paraquat
c. Endosulfan
d. Toxaphene
Q. An aqueous solution of Sodium Acetate will be of which among the following nature?
a. Acidic
b. Basic
c. Neutral
d. Either acidic or basic depending upon temperature of solution
Q. Acetylene cannot be safely pressurized as a pure compound. Which among the following is used for safe storage and transportation of Acetylene?
a. Kerosene
b. Acetone
c. Vinegar (Acetic Acid)
d. Propylene glycol
Q. Above 70 °C, sodium bicarbonate has a property of gradually decomposing, which makes it usable in Bakery products. Which among the following end product of this Thermal decomposition of Sodium bicarbonate makes it usable for the above purpose?
a. Hydrogen
b. Carbon Dioxide
c. Water Vapor
d. Sodium Carbonate