Man-Made Materials — Set 5
Chemistry · मानव निर्मित सामग्री · Questions 41–50 of 50
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1
Which chemical compound is known as 'Plaster of Paris'?
2
Which of the following is used as an 'Antiseptic' to clean wounds?
3
Which synthetic fiber is also known as 'Orlon' or 'Acrilan'?
4
What is the common name for the polymer 'Polytetrafluoroethylene'?
5
Which gas is used in 'Neon signs' to produce a bright orange-red glow?
6
Which of the following is used in the manufacture of glass to lower the melting point of silica?
7
What is 'Dry Ice' chemically?
8
Which material is used for making 'Pencil Lead'?
9
Which variety of coal is considered the highest quality due to its high carbon content?
10
Which chemical is used as an 'Indelible Ink' for marking fingers during elections?