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Chemical in cosmetics



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Q1. Which of the following chemical is added in washing powder for keeping it dry?

(a) Sodium silicate
(b) Inorganic phosphate
(c) Carboxy-methyl cellulose
(d) Sodium perborate

Q2. Which of the following chemical is added in washing powder for keeping the dirt suspended in water?

(a) Sodium silicate
(b) Inorganic phosphate
(c) Carboxy-methyl cellulose
(d) Sodium perborate

Q3. The % weight of detergent in washing powders is ____________

(a) 5 ? 10
(b) 50 ? 70
(c) 15 ? 30
(d) 30 ? 45

Q4. If the carbon chain is linear, the corresponding detergent will be ____________

(a) Soft and non-biodegradable
(b) Soft and biodegradable
(c) Hard and biodegradable
(d) Hard and non-biodegradable

Q5. If the carbon chain is highly branched, the corresponding detergent will be ____________

(a) Soft and biodegradable
(b) Soft and non-biodegradable
(c) Hard and biodegradable
(d) Hard and non-biodegradable

Q6. The detergents which bear negative charge at the soluble end of the chain are called anionic detergents.

(a) True
(b) False
(c) -
(d) -

Q7. Which of the following is an example of cationic detergent?

(a) Alkyltrimethyl ammonium chloride
(b) Sodium salts of alkyl sulphates
(c) Sodium salts of alkyl benzene sulphonic acids
(d) Polyethers

Q8. Which of the following is an example of non-ionic detergent?

(a) Alkyltrimethyl ammonium chloride
(b) Sodium salts of alkyl sulphates
(c) Sodium salts of alkyl benzene sulphonic acids
(d) Polyethers

Q9. Which of the following is also known as invert detergents?

(a) Anionic detergents
(b) Cationic detergents
(c) Non-ionic detergents
(d) All detergents comes in the category of invert detergents

Q10. Detergents are synthetic soaps like cleansing agents and are also known as ____________

(a) Artifacts
(b) Detritus
(c) Syndets
(d) Collagen


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