Man-Made Materials — Set 3
Chemistry · मानव निर्मित सामग्री · Questions 21–30 of 50
Which process is used to make soaps from fats or oils and sodium hydroxide?
Detergents are better than soaps for laundry in hard water because?
What is the chemical name for the explosive commonly known as TNT?
Which chemical is often used as a 'fixing agent' in the manufacturing of ink?
Which substance is used to provide a red color to fireworks?
The chemical used for the 'artificial ripening' of green fruits is?
Which of the following is a bio-polymer produced by living organisms?
Which synthetic chemical is most commonly added as a preservative in packaged foods like soft drinks and fruit juices to inhibit microbial growth?
What is the main component of 'LPG' used as a domestic fuel?
Which material is used for the coating of 'matchstick' heads?