Everyday Chemistry — Set 5
Chemistry · रोजमर्रा का रसायन · Questions 41–50 of 50
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1
Which gas is used to fill potato chip bags to keep them fresh and prevent oxidation?
2
What is the chemical name of 'Washing Soda'?
3
Which metal is the most abundant in the Earth's crust?
4
Which chemical is used to hasten the ripening of fruits like bananas and mangoes?
5
Which substance is used in the making of 'dry cells' or common torch batteries?
6
Which gas is used in bright, colorful advertising signs?
7
Which chemical is the main component of 'marble' and 'chalk'?
8
Which chemical is commonly known as 'Caustic Soda'?
9
Which of the following is used in pencil erasers to make them soft?
10
Which chemical compound is used as an antiseptic in mouthwash?