__________ is not a constituent of gun powder.
Carbon
Charcoal
Sulphur
Potassium nitrate
- 10% oleum comprises of 10% free
- DDT should not be allowed to come in contact with iron (during its manufacture) to
- Which of the following is used as a coagulant in treating turbid water?
- Permanent hardness of water can be removed by
- Adipic acid is an intermediate in the manufacture of
- Bromine is used in the preparation of
- Chemical formula of 'salt cake' is
- Silicone is a/an
- The purpose of tanning in leather industry is to
- Concentration of hydrogen peroxide is done by
- Dry ice (solidified CO2) is used for the
- Permanent hardness of water can be removed by
- Ethanol amine is produced using ammonia and
- Massecuite is
- Starting raw material for the manufacture of Maleic anhydride is
- Thermoplastic materials
- Liquor poisoning generally occurs due to the presence of __________ in it.
- __________ Nature of hypo (sodium thiosulphate) makes it useful in photography.
- Chemical name of soda ash is
- Thorium is mainly used
- The most commonly used substance to speed up the sedimentation of sewage is
- Which of the following is a bleaching agent added in the detergents to facilitate removal of stains…
- Which of the following is the second major component of cement?
- Yellow phosphorus is transported under
- Shrinkage volume in cement setting does not depend upon the
- The main use of activated carbon in water treatment is to control
- Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain…
- Refractory bricks having high thermal conductivity is desirable, when it is to be used in the
- Which of the following is not a pyrite ore?
- Pick out the wrong statement.