No. of questions -37
Time - 20 min
Negative marking : -0.25 mark
1.
Which base is present in soap?
2.
Substance which are used as a food preservative-
3.
Which of the following is a Synthetic rubber?
4.
Synthetic detergents are prepared from
5.
'Saponification' is a process by which-
6.
Which of the following gas is used in bulb?
7.
Which one of the following group of gases contribute to the "Green House Effect"?
8.
In which of the following silicon is not used?
9.
The class of drugs used for the treatment of stress is
10.
In which industry Potassium nitrate is used commercially?
12.
Glycol is added to aviation gasoline because it-
13.
Fabric made from .......... does not get wrinkled easily.
14.
A ............ thread is actually stronger than a steel wire.
15.
The rubbing surface of a match box has powdered glass and a little red ...........
16.
Rock Salt contains which mineral?
17.
Which among the following is used to treat Indigestion?
18.
Which of the following metal shown by its symbol is generally used for making filaments of bulb?
19.
Fire extinguishers emit which gas?
20.
Fruits stored in a cold chamber exhibit longer storage life because-
21.
Which of the following is used as non-stick coating for cooking utensils?
22.
The branch of medicine involving synthetic chemical compounds is:
23.
Photochemical smog is a resultant of the reaction among-
24.
Terylene is a condensation polymer of ethylene glycol and which acid?
25.
What is a Vermicompost?
26.
Which of the following gas is used to destroy the microbes?
27.
Which of the following is a natural polymer?
28.
The antiseptic compound present in Dettol is-
29.
Chlorine gas is a major component of which of the following?
30.
What is the by Product obtained in soap industry?
31.
Which of the following fibres is considered as the strongest natural fibre?
32.
Bleaching action of Chlorine is due to which reaction?
33.
Tincture of iodine is a solution of Iodine in-
34.
Zinc Phosphide is commonly used as-
35.
.............. is obtained by evaporation of sea.
36.
Aqueous Hydrolysis of sucrose formed-
37.
Which fibre is also called as artificial silk?
