‘Saponification involves the hydrolysis of fats and oils by
1 Water
2 Washing soda
3 Stearic acid
4 Caustic soda
Water is a good solvent of ionic salts because 1 It has no colour 2 It has a high boiling point 3 It has a high dipole moment 4 It has a high specific heat
Which of the following gases is used as an illuminant in lamps used by hawkers? 1 Methane 2 Ethylene 3 Acetylene 4 Hydgrogen
When was the second and third experimental explosion conducted?
Explain about the methods of sterilization of DMEM?
Which of the following is used for removing air bubbles from glass during its manufacture? 1 Feldspar 2 Arsenious oxide 3 Potassium carbonate 4 Soda ash
what is CAPITA in accounts?
When was the first american rocket launched?
Which among the following is a positively charged particle emitted by a radioactive element? 1 Alpha ray 2 Beta ray 3 Gamma ray 4 Cathode ray
Titanium is purified by 1 Zone refining 2 Electrolysis 3 Van Arkel method 4 Hydraulic washing
Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo
Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate
The purest form of iron is 1 Steel 2 Cast iron 3 Pig iron 4 Wrought iron
21 Answers CIPET, FCI, HCL, JIPMER, NTSE, PSI Data Systems, RRB, SSC,