No. of questions -37
Time - 20 min
Negative marking : -0.25 mark
1.
Fire extinguishers emit which gas?
2.
The antiseptic compound present in Dettol is-
3.
Which of the following metal shown by its symbol is generally used for making filaments of bulb?
4.
Which of the following is a natural polymer?
5.
Which of the following is a Synthetic rubber?
7.
Tincture of iodine is a solution of Iodine in-
8.
Fabric made from .......... does not get wrinkled easily.
9.
Rock Salt contains which mineral?
10.
Which one of the following group of gases contribute to the "Green House Effect"?
11.
Which of the following fibres is considered as the strongest natural fibre?
12.
Fruits stored in a cold chamber exhibit longer storage life because-
13.
Bleaching action of Chlorine is due to which reaction?
14.
What is a Vermicompost?
15.
Photochemical smog is a resultant of the reaction among-
16.
Aqueous Hydrolysis of sucrose formed-
17.
Which base is present in soap?
18.
.............. is obtained by evaporation of sea.
19.
Synthetic detergents are prepared from
20.
Substance which are used as a food preservative-
21.
The class of drugs used for the treatment of stress is
22.
Which among the following is used to treat Indigestion?
23.
Which of the following gas is used in bulb?
24.
What is the by Product obtained in soap industry?
25.
Terylene is a condensation polymer of ethylene glycol and which acid?
26.
Chlorine gas is a major component of which of the following?
27.
The rubbing surface of a match box has powdered glass and a little red ...........
28.
Zinc Phosphide is commonly used as-
29.
Which of the following gas is used to destroy the microbes?
30.
A ............ thread is actually stronger than a steel wire.
31.
Which fibre is also called as artificial silk?
32.
'Saponification' is a process by which-
33.
The branch of medicine involving synthetic chemical compounds is:
34.
In which industry Potassium nitrate is used commercially?
35.
Glycol is added to aviation gasoline because it-
36.
Which of the following is used as non-stick coating for cooking utensils?
37.
In which of the following silicon is not used?
