Calgon used in water treatment is chemically
Sodium phosphate
Sodium hexametaphosphate
Calcium phosphate
Tricresyl phosphate
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- Hydrogenation of vegetable oils is a/an __________ reaction.
- Which of the following is an ore of iron?
- Which of the following is the purest form of water out of the following?
- Phthalic anhydride is made by the
- Transparent soaps (e.g. Pears) are
- __________ Nature of hypo (sodium thiosulphate) makes it useful in photography.
- Pick out the wrong statement.
- Gypsum is chemically
- Which oil is preferred for paint manufacture?
- Phenol formaldehyde resin is used as an adhesive in making
- In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 2SO3), the reverse reaction becomes appreciable…
- Unsaturated oils compared to saturated oils have
- Superior quality laboratory apparatus is made of the __________ glass having low thermal coefficient…
- Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving)…
- Lubricating greases are a mixture of
- Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion…
- Fatty material used in soap making is
- __________ is a thermosetting plastic.
- Chloral is used in the manufacture of
- Free alkali in a toilet soap is __________ that in a laundry shop.
- Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces
- Nitrogen is an essential component of
- Calcination of limestone is not done in a __________ kiln for producing lime.
- Starting material for the production of butadiene in India is
- Styrene is produced from ethyl benzene by the process of
- Main constituents of cotton fiber is
- L.D. converter is used in the production of
- __________ is produced using Polycondensation reaction.
- Comparing sulphate process with sulphite process, we find that __________ in the later.
- Styrene butadiene rubber (SBR) is