Which of the following is used as a coagulant in treating turbid water ?
A. Chlorine
B. Ferric sulphate
C. Calcium sulphate
D. Activated carbon
Chemical Process
Electric bulbs are made of _______________ glass ?
Electric bulbs are made of _______________ glass ?
A. Jena
B. Flint
C. Crookes
D. Pyrex
Hollander beater used during paper pulp manufacture does not facilitate the ______________ of fiber?
Hollander beater used during paper pulp manufacture does not facilitate the ______________ of fiber?
A. Cutting
B. Fibrillation
C. Hydration
D. Strengthening
Massecuite is ___________________?
Massecuite is ___________________?
A. Used for paper making
B. Used as a cattle feed
C. Highly acidic in nature
D. None of these
An alkali metal salt of Palmitic acid is known as _____________________?
An alkali metal salt of Palmitic acid is known as _____________________?
A. Soap
B. Metallic soap
C. Detergent
D. Alkaloid
Which of the following is a disaccharide ?
Which of the following is a disaccharide ?
A. Sucrose
B. Glucose
C. Starch
D. Maltose
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate ?
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate ?
A. Is prone to thermal decomposition
B. Has high water solubility and is unstable
C. Is soluble in ammonium chloride and potassium chloride solution
D. All A , B. and C.
Potassium is kept & transported under ___________________ ?
Potassium is kept & transported under ___________________ ?
A. Water
B. Liquid ammonia
C. Kerosene oil
D. Alcohol
A substance produced by a living organism and capable of anti-microbial activity is called a/an < ____________________?
A substance produced by a living organism and capable of anti-microbial activity is called a/an < ____________________?
strong>A. Antibiotic
B. Antiseptic
C. Disinfectant
D. None of these
Oils and fats are converted to soap in a process called _________________?
Oils and fats are converted to soap in a process called _________________?
A. Hydrogenation
B. Esterification
C. Saponification
D. None of these