No. of questions -37
Time - 20 min
Negative marking : -0.25 mark
1.
The rubbing surface of a match box has powdered glass and a little red ...........
2.
Which base is present in soap?
3.
Which of the following is a Synthetic rubber?
4.
Which of the following is a natural polymer?
5.
Fire extinguishers emit which gas?
6.
'Saponification' is a process by which-
7.
What is the by Product obtained in soap industry?
8.
Fruits stored in a cold chamber exhibit longer storage life because-
9.
A ............ thread is actually stronger than a steel wire.
11.
Which of the following metal shown by its symbol is generally used for making filaments of bulb?
12.
Substance which are used as a food preservative-
13.
Which of the following is used as non-stick coating for cooking utensils?
14.
Which of the following gas is used in bulb?
15.
Glycol is added to aviation gasoline because it-
16.
The antiseptic compound present in Dettol is-
17.
Which one of the following group of gases contribute to the "Green House Effect"?
18.
The branch of medicine involving synthetic chemical compounds is:
19.
Terylene is a condensation polymer of ethylene glycol and which acid?
20.
Fabric made from .......... does not get wrinkled easily.
21.
Photochemical smog is a resultant of the reaction among-
22.
The class of drugs used for the treatment of stress is
23.
Rock Salt contains which mineral?
24.
.............. is obtained by evaporation of sea.
25.
Bleaching action of Chlorine is due to which reaction?
26.
Aqueous Hydrolysis of sucrose formed-
27.
Zinc Phosphide is commonly used as-
28.
What is a Vermicompost?
29.
Chlorine gas is a major component of which of the following?
30.
In which industry Potassium nitrate is used commercially?
31.
Which among the following is used to treat Indigestion?
32.
Synthetic detergents are prepared from
33.
Which of the following fibres is considered as the strongest natural fibre?
34.
Tincture of iodine is a solution of Iodine in-
35.
Which fibre is also called as artificial silk?
36.
Which of the following gas is used to destroy the microbes?
37.
In which of the following silicon is not used?
