No. of questions -37
Time - 20 min
Negative marking : -0.25 mark
1.
Photochemical smog is a resultant of the reaction among-
2.
Fruits stored in a cold chamber exhibit longer storage life because-
3.
Tincture of iodine is a solution of Iodine in-
4.
.............. is obtained by evaporation of sea.
5.
Which base is present in soap?
6.
Chlorine gas is a major component of which of the following?
7.
Glycol is added to aviation gasoline because it-
8.
In which industry Potassium nitrate is used commercially?
9.
Which fibre is also called as artificial silk?
10.
Which of the following fibres is considered as the strongest natural fibre?
11.
What is the by Product obtained in soap industry?
12.
Aqueous Hydrolysis of sucrose formed-
13.
Bleaching action of Chlorine is due to which reaction?
14.
A ............ thread is actually stronger than a steel wire.
15.
Fabric made from .......... does not get wrinkled easily.
16.
Which one of the following group of gases contribute to the "Green House Effect"?
17.
Which of the following is used as non-stick coating for cooking utensils?
18.
Which of the following is a Synthetic rubber?
19.
Which of the following gas is used in bulb?
20.
Which of the following gas is used to destroy the microbes?
21.
In which of the following silicon is not used?
22.
The branch of medicine involving synthetic chemical compounds is:
23.
Fire extinguishers emit which gas?
24.
Substance which are used as a food preservative-
25.
Which of the following is a natural polymer?
26.
Which among the following is used to treat Indigestion?
27.
Zinc Phosphide is commonly used as-
28.
Which of the following metal shown by its symbol is generally used for making filaments of bulb?
30.
The class of drugs used for the treatment of stress is
31.
Synthetic detergents are prepared from
32.
The rubbing surface of a match box has powdered glass and a little red ...........
33.
Terylene is a condensation polymer of ethylene glycol and which acid?
34.
'Saponification' is a process by which-
35.
Rock Salt contains which mineral?
36.
What is a Vermicompost?
37.
The antiseptic compound present in Dettol is-