No. of questions -37
Time - 20 min
Negative marking : -0.25 mark
1.
Which of the following fibres is considered as the strongest natural fibre?
2.
Which of the following is a Synthetic rubber?
3.
Which of the following is used as non-stick coating for cooking utensils?
4.
Chlorine gas is a major component of which of the following?
5.
Substance which are used as a food preservative-
6.
Fabric made from .......... does not get wrinkled easily.
7.
'Saponification' is a process by which-
8.
Fire extinguishers emit which gas?
9.
Tincture of iodine is a solution of Iodine in-
10.
The rubbing surface of a match box has powdered glass and a little red ...........
11.
What is a Vermicompost?
12.
Zinc Phosphide is commonly used as-
13.
Glycol is added to aviation gasoline because it-
15.
Bleaching action of Chlorine is due to which reaction?
16.
Fruits stored in a cold chamber exhibit longer storage life because-
17.
Which of the following gas is used in bulb?
18.
Photochemical smog is a resultant of the reaction among-
19.
Which of the following is a natural polymer?
20.
Synthetic detergents are prepared from
21.
The branch of medicine involving synthetic chemical compounds is:
22.
Which base is present in soap?
23.
In which industry Potassium nitrate is used commercially?
24.
Which among the following is used to treat Indigestion?
25.
Which of the following metal shown by its symbol is generally used for making filaments of bulb?
26.
The class of drugs used for the treatment of stress is
27.
Terylene is a condensation polymer of ethylene glycol and which acid?
28.
What is the by Product obtained in soap industry?
29.
.............. is obtained by evaporation of sea.
30.
Which fibre is also called as artificial silk?
31.
A ............ thread is actually stronger than a steel wire.
32.
The antiseptic compound present in Dettol is-
33.
Rock Salt contains which mineral?
34.
Which one of the following group of gases contribute to the "Green House Effect"?
35.
In which of the following silicon is not used?
36.
Aqueous Hydrolysis of sucrose formed-
37.
Which of the following gas is used to destroy the microbes?