A. Copper sulphate
B. Ferrous sulphate
C. Copper nitrate
D. Aluminium sulphate
Related Mcqs:
- Celluloid is chemically___________________?
A. Cellulose acetate
B. Regenerated cellulose
C. Cellulose nitrate
D. Cellulose acetate butyrate - Viscose rayon is chemically___________________?
A. Cellulose nitrate
B. Regenerated cellulose nitrate
C. Cellulose acetate
D. Regenerated cellulose acetate - Blue colour is imparted to glass by the addition of__________________?
A. FeSO4
B. PbO
C. CaO
D. NaOH - Coloured glass is obtained by mixing of colored salts. Addition of ___________________ oxide is done to impart greenish blue color to the glass?
A. Chromium
B. Arsenic
C. Copper
D. Manganese - Prussian blue is chemically represented by__________________?
A. FeO.TiO2
B. Ca SO4 . 2H2O
C. Fe4 [Fe (CN6)3]
D. AlF3 . 3NaF - Reaction of calcium carbide with water produces a gas, which is used_________________?
A. As an illuminant
B. For metal cutting/welding
C. Both A. & B.
D. Neither A. nor B. - Carbon disulphide is mainly used in the production of______________________?
A. Viscose rayon
B. Corundum
C. Plasticiser for unsaturated polyester
D. Paints - Cation exchanger is regenerated usually with_________________________?
A. NaOH
B. H2SO4
C. Hydrazine
D. Alum solution - Pick out the wrong statement?
A. Dry process is used for the manufacture of cement, when the raw material is blast furnace slag
B. Portland cement is made employing wet process
C. Gypsum is added to Portland cement to lengthen its setting time
D. None of these - ____________ are used as corrosion inhibitor for iron & steel in aqueous solutions ?
A. Phosphates
B. Chromates
C. Sulphates
D. Bi-carbonates
