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.
Which among the following is a correct definition of Cyclotron?
A. Accelerator of charged atomic particles
B. Device for detection of High Energy atomic radiation
C. Device for storing electric charge
D. Device for storing heat
✅ The correct answer is option A.
The Chemical formula of Graphite is _________?
A. C
B. C2
C. C4
D. C6
✅ The correct answer is option A.
Which among the following is true about solubility of ―Lipids‖?
A. They are soluble in water but insoluble in organic solvents
B. They are insoluble in water but soluble in organic solvents
C. They are soluble in water as well as organic solvents
D. They are insoluble in water as well as organic solvents
✅ The correct answer is option B.
Calcium Magnesium Silicate is commonly called as ________?
A. Asbestos
B. Borax
C. Baking Soda
D. Washing Soda
✅ The correct answer is option A.
Phenolphthalein is used in chemistry as a ______?
A. Solvent
B. Dye
C. Catalyst
D. Detergent
✅ The correct answer is option B.
Reserpine is an example of which kind of drug?
A. Narcotic
B. Anti-histamine
C. Tranquillizer
D. None
✅ The correct answer is option C.
Cobalt oxide is used to impart which color to glass?
A. Brown
B. Blue
C. Red
D. Yellow
✅ The correct answer is option B.