What is the effect of adding NaCl (table salt) to food during cooking?

D. Speeds up the cooking process

B. Slows down the cooking process

D. Speeds up the cooking process

Everyday Science · Everyday & Industrial Chemistry · page 15 of 21

Household MCQs with Answers

Includes 23 past paper MCQs (marked).

Timed quizzes, instant results, track your progress — free

Practice these MCQs in the app

All Everyday Science chapters

Household, Food & Material Chemistry MCQs (141–150)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

Answers and one-liners are hidden. Tap an option to check that question, or show all.

141.
Pasteurized milk is processed to kill ?
Correct Answer: D. Bacteria
One-liner
Pasteurized milk is processed to kill bacteria.
142.
The percentage of water in whole milk is about _?
Correct Answer: A. 87%
One-liner
The percentage of water in whole milk is about 87%.
143.
Which of the following substances is used in match sticks?
Correct Answer: B. Sulphur
One-liner
Sulphur is the substance used in match sticks.
144.
Which one of the following salt(s) is used as a food preservative?
Correct Answer: D. All of these
One-liner
All of these — sodium benzoate, sodium chloride, and potassium sorbate — are salts used as food preservatives.
145.
What is the effect of adding NaCl (table salt) to food during cooking?
Correct Answer: D. Speeds up the cooking process
One-liner
Adding NaCl (table salt) to food during cooking speeds up the cooking process by raising the boiling point of water.
146.
Honey comprises of ash contents.
Correct Answer: D. 0.05%
One-liner
Honey comprises 0.05% of ash contents.
147.
Cotton contains cellulose.
Correct Answer: C. 95%
One-liner
Cotton contains 95% cellulose.
148.
Which substance is commonly used as an anti-freeze in automobile engines?
Correct Answer: D. Ethylene glycol
One-liner
The substance commonly used as an anti-freeze in automobile engines is ethylene glycol.
149.
Which of the following chemicals is used for the preparation of artificial flavors and essences?
Correct Answer: A. Ethyl acetate
One-liner
Ethyl acetate is the chemical used for the preparation of artificial flavors and essences.
150.
What is the pH value of milk?
Correct Answer: D. 6.7
One-liner
The pH value of milk is approximately 6.7, making it slightly acidic.

Previous chapter: Industrial Chemical Processes Next chapter: Force, Motion & Gravity

Household MCQs with Answers

Household, Food & Material Chemistry MCQs (141–150)

Subjects

Exams

Platform

Legal