How does common salt help in separating soap from the solution after saponification? 1 By decreasing solubility of soap 2 By increasing solubility of soap 3 By decreasing density of soap 4 None of these

1 Answers  

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Explain the Evolution of Science as a discipline in the Medieval Period

0 Answers   Mahatma Gandhi University,

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Rayon is chemically 1 Glucose 2 Amylase 3 Cellulose 4 Pectin

1 Answers  

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Why is ice wrapped in gunny sacks to prevent it from melting

0 Answers  

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A substance which changes readily into vapor without heating is called 1 Efflorescent 2 Synthetic 3 Volatile 4 Effervescent

1 Answers   HLL,

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The metallic constituents of hard water are 1 Magnesium, calcium and tin 2 Iron, tin and calcium 3 Calcium, ,magnesium and iron 4 None of these

1 Answers  

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Soap is a mixture of sodium or potassium salts of 1 Monocarboxylic acids 2 Glycerol’s 3 Dicarboxylic acids 4 Tricarboxylic acids

1 Answers  

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What are soaps? 1 Salts of silicates 2 Esters of heavy fatty acids 3 Sodium or potassium salts of heavier fatty acids 4 Mixture of glycerol and alcohols

2 Answers  

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Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose

1 Answers  

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Which of the following materials are used for preparing blur-black ink? 1 Gallic acid 2 Tannic acid 3 Ferrous sulphate 4 All of these

3 Answers   IOCL,

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Conversion of a substance directly from solid to vapour state is known as 1 Ionization 2 Evaporation 3 Vapourisation 4 Sublimation

2 Answers  

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How many naval staffs can occupy arihant?

0 Answers  

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