No. of questions -37
Time - 20 min
Negative marking : -0.25 mark
1.
A ............ thread is actually stronger than a steel wire.
3.
Glycol is added to aviation gasoline because it-
4.
Which of the following is a natural polymer?
5.
Which base is present in soap?
6.
Which of the following gas is used to destroy the microbes?
7.
Zinc Phosphide is commonly used as-
8.
Substance which are used as a food preservative-
9.
The branch of medicine involving synthetic chemical compounds is:
10.
Fabric made from .......... does not get wrinkled easily.
11.
Which fibre is also called as artificial silk?
12.
Which of the following is used as non-stick coating for cooking utensils?
13.
In which industry Potassium nitrate is used commercially?
14.
Synthetic detergents are prepared from
15.
Fire extinguishers emit which gas?
16.
Which among the following is used to treat Indigestion?
17.
Which of the following gas is used in bulb?
18.
Which of the following is a Synthetic rubber?
19.
What is a Vermicompost?
20.
Which of the following metal shown by its symbol is generally used for making filaments of bulb?
21.
In which of the following silicon is not used?
22.
Fruits stored in a cold chamber exhibit longer storage life because-
23.
The class of drugs used for the treatment of stress is
24.
What is the by Product obtained in soap industry?
25.
'Saponification' is a process by which-
26.
The antiseptic compound present in Dettol is-
27.
Rock Salt contains which mineral?
28.
Terylene is a condensation polymer of ethylene glycol and which acid?
29.
Which one of the following group of gases contribute to the "Green House Effect"?
30.
The rubbing surface of a match box has powdered glass and a little red ...........
31.
Aqueous Hydrolysis of sucrose formed-
32.
Tincture of iodine is a solution of Iodine in-
33.
Chlorine gas is a major component of which of the following?
34.
.............. is obtained by evaporation of sea.
35.
Which of the following fibres is considered as the strongest natural fibre?
36.
Photochemical smog is a resultant of the reaction among-
37.
Bleaching action of Chlorine is due to which reaction?
