(A) Mineral salts

(B) Carbohydrates

(C) Fats

(D) Proteins

(A) Pyrex

(B) Flint

(C) Crookes

(D) None of these

(A) The annual depreciation rate for machinery and equipments in a chemical process plant is about 10% of the fixed capital investment

(B) Annual depreciation rate of buildings in a chemical plant is about 3% of its initial cost

(C) Insurance rates on annual basis in a chemical plant may be about 1% of the fixed capital investment

(D) In a chemical industry, research and development cost amounts to about 15% of net sales realisation (NSR)

(A) Wine, rum & Vodka are prepared by the formulation of fruit juice, sugar beet & rye respectively

(B) Protein catalysts are called enzymes

(C) The rate of chemical reaction is independent of the concentration of reactants at high concentration of enzymes

(D) Total sugar content in molasses is about 10%

(A) Phenol

(B) Naphthalene

(C) Benzene

(D) Pyridine

(A) Sodium phosphate

(B) Sodium hexametaphosphate

(C) Calcium phosphate

(D) Tricresyl phosphate

(A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98%

(B) The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with sulphur trioxide

(C) Vitriol oil is nothing but technical sulphuric acid

(D) Decomposition of sulphuric acid on heating does not start before its boiling

(A) Pasteurisation of milk involves moderate heating followed by cooling

(B) Bakeries and breweries make use of yeasts

(C) Enzyme is a complex nitrogenous compound

(D) Oils and fats are alkaloids

(A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper

(B) Alkali consumption in digestion/cooking of bamboo is measured in terms of permanganate number

(C) Bagasse fibre contains both lignin & cellulose

(D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

(A) Sodium silicate

(B) Sodium borate

(C) Sodium tripolyphosphate (STPP)

(D) Caustic soda