No. of questions -37
Time - 20 min
Negative marking : -0.25 mark
1.
Which one of the following group of gases contribute to the "Green House Effect"?
2.
Which fibre is also called as artificial silk?
3.
Tincture of iodine is a solution of Iodine in-
4.
.............. is obtained by evaporation of sea.
5.
Which of the following is a natural polymer?
6.
The rubbing surface of a match box has powdered glass and a little red ...........
7.
'Saponification' is a process by which-
8.
The branch of medicine involving synthetic chemical compounds is:
9.
What is the by Product obtained in soap industry?
10.
Which of the following fibres is considered as the strongest natural fibre?
11.
Fruits stored in a cold chamber exhibit longer storage life because-
12.
Which base is present in soap?
13.
Chlorine gas is a major component of which of the following?
14.
Photochemical smog is a resultant of the reaction among-
15.
Which of the following is a Synthetic rubber?
17.
Which of the following gas is used in bulb?
18.
A ............ thread is actually stronger than a steel wire.
19.
The class of drugs used for the treatment of stress is
20.
Which among the following is used to treat Indigestion?
21.
Bleaching action of Chlorine is due to which reaction?
22.
In which of the following silicon is not used?
23.
Synthetic detergents are prepared from
24.
Glycol is added to aviation gasoline because it-
25.
Fire extinguishers emit which gas?
26.
Terylene is a condensation polymer of ethylene glycol and which acid?
27.
Fabric made from .......... does not get wrinkled easily.
28.
Aqueous Hydrolysis of sucrose formed-
29.
What is a Vermicompost?
30.
Rock Salt contains which mineral?
31.
The antiseptic compound present in Dettol is-
32.
Substance which are used as a food preservative-
33.
Which of the following metal shown by its symbol is generally used for making filaments of bulb?
34.
Zinc Phosphide is commonly used as-
35.
Which of the following is used as non-stick coating for cooking utensils?
36.
Which of the following gas is used to destroy the microbes?
37.
In which industry Potassium nitrate is used commercially?
