When filtration is carried out under reduced pressure is called?
A. Pressure filtration
B. Simple filtration
C. Ordinary filtration
D. Suction filtration
Answer: D
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A. Pressure filtration
B. Simple filtration
C. Ordinary filtration
D. Suction filtration
Answer: D
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A. 1 litre or 100 ml
B. $$10{^3}$$ cm or 1 litre
C. 100 $$cm{^3}$$ or 1 litre
D. 1000 ml or 10 litre
Answer: B
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A. A method of converting ions in solution into an insoluble compound
B. The process of separating solid (crystals or precipitate) from the liquid (mother liquor)
C. A method of reducing the volume of by heating
D. A method of converting water vapour in to liquid water
Answer: A
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A. The amount of substance which contains as many element as there are atoms in 12 g carbon 12
B. The amount of substance which is contain in a solution
C. The amount of substance equivalent to carbon 12 atom present in a solution
D. All the options are correct
Answer: A
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A. To obtain a compound of constant composition
B. To increase the solubility of the precipitates
C. To dry the precipitates
D. To speed the reaction rate of the precipitates
Answer: C
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A. Number of atoms, ions or molecules in a mole
B. Number of mole of an atom equivalent to carbon atom
C. Number of elementary units in a mole of a substance
D. All options above are correct
Answer: C
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A. Tetraoxosulphate(VI)and hydrogensulphide
B. Esters and ethanols
C. Benzene and benzoylchloride
D. Phenols and hydrogenfloride
Answer: D
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A. M=2X g $$mol{^-1}$$
B. M=1/X g $$mol{^-1}$$
C. M=X g $$mol{^-1}$$
D. M=1 g $$mol{^-1}$$
Answer: C
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