Which allotrope of sulphur is insoluble in carbon disulphide?
Rhombic sulphur
Monoclinic sulphur
Plastic sulphur
Milk of sulphur
- Flux addition during smelting of ore is done to
- Shrinkage volume in cement setting does not depend upon the
- Dichloro diphenyl __________ is the full form of DDT (an insecticide).
- Aryl benzene sulphonate (ABS) is a
- Use of chlorine in the treatment of sewage
- Commercial production of calcium carbide requires limestone and __________ as raw materials.
- Cement mainly contains
- Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?
- Essential oils are usually obtained using
- Fire clay is __________ refractory material.
- Fourdrinier machine is used in the manufacture of
- L.D. converter is used in the production of
- Magnesium and calcium __________ cause temporary hardness of water.
- Chemical formula of BHC, which is an insecticide is
- Which allotrope of sulphur is insoluble in carbon disulphide?
- Helium is produced on commercial scale from
- Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
- Wax is a
- Which of the following, when pyrolysed, produces Perchloroethylene?
- Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
- Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?
- Pick out the wrong statement.
- Use of hydrated lime in water treatment
- Main constituent of limestone is
- Which of the following is an explosive?
- Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene).…
- Highly porous refractory bricks are
- Dehydrogenation of ethyl benzene produces
- Black liquor is converted into white liquor by
- Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by