No. of questions -37
Time - 20 min
Negative marking : -0.25 mark
1.
A ............ thread is actually stronger than a steel wire.
2.
Zinc Phosphide is commonly used as-
3.
Which of the following fibres is considered as the strongest natural fibre?
4.
Which of the following is a natural polymer?
5.
Bleaching action of Chlorine is due to which reaction?
6.
Which fibre is also called as artificial silk?
7.
Synthetic detergents are prepared from
8.
Which of the following is a Synthetic rubber?
9.
Photochemical smog is a resultant of the reaction among-
10.
Chlorine gas is a major component of which of the following?
11.
Which base is present in soap?
12.
In which industry Potassium nitrate is used commercially?
13.
The antiseptic compound present in Dettol is-
15.
What is the by Product obtained in soap industry?
16.
Which among the following is used to treat Indigestion?
17.
Which of the following gas is used in bulb?
18.
Which one of the following group of gases contribute to the "Green House Effect"?
19.
The class of drugs used for the treatment of stress is
20.
Fruits stored in a cold chamber exhibit longer storage life because-
21.
Glycol is added to aviation gasoline because it-
22.
The branch of medicine involving synthetic chemical compounds is:
23.
.............. is obtained by evaporation of sea.
24.
Terylene is a condensation polymer of ethylene glycol and which acid?
25.
'Saponification' is a process by which-
26.
Fire extinguishers emit which gas?
27.
Fabric made from .......... does not get wrinkled easily.
28.
Aqueous Hydrolysis of sucrose formed-
29.
What is a Vermicompost?
30.
Which of the following metal shown by its symbol is generally used for making filaments of bulb?
31.
In which of the following silicon is not used?
32.
Tincture of iodine is a solution of Iodine in-
33.
Which of the following is used as non-stick coating for cooking utensils?
34.
Rock Salt contains which mineral?
35.
Substance which are used as a food preservative-
36.
Which of the following gas is used to destroy the microbes?
37.
The rubbing surface of a match box has powdered glass and a little red ...........
