A. A drug which was used by sports persons for doping
B. A chemical compound which is used in plastics used for food packaging
C. An alloy which is used in cans of cola drinks
D. None of the above
✅ The correct answer is option B.
Which among the following is not a constituent of gobar gas?
A. Methane
B. Propane
C. Carbondioxide
D. All are constiuents of Gobar gas
✅ The correct answer is option B.
Which among the following is incorrect regarding the chemical nature of Diamond & Graphite?
A. Density of Diamond is higher than that of Graphite
B. Diamond is chemically unreactive while graphite is mild reactive
C. Both Diamond and Graphite are good conductors of electricity
D. None of the above
✅ The correct answer is option C.
Galvanizing is a metallurgical process that is used to coat steel or iron with which of the following?
A. Zinc
B. Lead
C. Chromium
D. Copper
✅ The correct answer is option A.
Which among the following is Quick Silver?
A. Aluminium
B. Mercury
C. Lead
D. Zinc
✅ The correct answer is option B.
The primary part of Liquefied Petroleum Gas LPG is ______?
A. Butance
B. Methane
C. Propane
D. Ethane
✅ The correct answer is option C.
Which among the following explains the radiation emitted by black bodies?
A. Big-bang theory
B. Quantum Theory
C. Piezoelectric Effect
D. None of the above
✅ The correct answer is option B.
Calamine lotion which is used as an antipruritic (anti-itching agent) to treat mild pruritic conditions contains which of the following?
A. Zinc
B. Calcium
C. Magnesium
D. Sodium
✅ The correct answer is option A.
In which of the following Mercury is a constituent?
A. Cinnabar
B. Chile saltpeter
C. Calamine
D. Gold
✅ The correct answer is option A.
Adsorption is used commonly in which of the following processes?
A. Purification of solids
B. Purification of liquids
C. Making scrubbers
D. Chromatography
✅ The correct answer is option D.