Chemistry In Everyday Life(11th And 12th > Chemistry ) Questions and Answers
Explanation:-
Answer: Option B. -> Only statement 2 is correct:
B
Antibiotics are used to kill bacteria and microorganisms. They are usually taken orally or injected.
Antiseptics are used just to inhibit or prevent bacterial growth and not to kill them. They are used by applying on the skin. Dettol is antiseptic.
Explanation:-
Answer: Option B. -> Sucrose:
B
Except Sucrose, all are artificial sweetener and provide negligible calories. Also these sweeteners are multiple times sweeter than cane sugar. So, they are used in very small quantity.
Explanation:-
Answer: Option B. -> Both A and R are true but R is not a correct explanation of A:
B
Aspartame is 100 times sweeter than cane sugar. Aspartame is not stable at normal cooking temperature and that’s why it is not used in normal cooking.
Explanation:-
Answer: Option D. -> CH3(CH2)16COO(CH2CH2O)nCH2CH2OH:
D
Liquid dishwashing detergents are non-ionic type detergents.
Option (a) is soap.
Option (b) is anionic type detergent.
Option (c) is cationic type detergent.