No. of questions -37
Time - 20 min
Negative marking : -0.25 mark
1.
Photochemical smog is a resultant of the reaction among-
2.
.............. is obtained by evaporation of sea.
3.
Fruits stored in a cold chamber exhibit longer storage life because-
4.
Glycol is added to aviation gasoline because it-
5.
Which base is present in soap?
6.
Terylene is a condensation polymer of ethylene glycol and which acid?
7.
Fabric made from .......... does not get wrinkled easily.
8.
Bleaching action of Chlorine is due to which reaction?
9.
Which one of the following group of gases contribute to the "Green House Effect"?
10.
The rubbing surface of a match box has powdered glass and a little red ...........
11.
The branch of medicine involving synthetic chemical compounds is:
12.
Substance which are used as a food preservative-
13.
A ............ thread is actually stronger than a steel wire.
14.
What is the by Product obtained in soap industry?
16.
The class of drugs used for the treatment of stress is
17.
Aqueous Hydrolysis of sucrose formed-
18.
Tincture of iodine is a solution of Iodine in-
19.
Which of the following gas is used in bulb?
20.
In which of the following silicon is not used?
21.
Which of the following is used as non-stick coating for cooking utensils?
22.
Which of the following is a natural polymer?
23.
Synthetic detergents are prepared from
24.
Which of the following fibres is considered as the strongest natural fibre?
25.
Fire extinguishers emit which gas?
26.
Which fibre is also called as artificial silk?
27.
'Saponification' is a process by which-
28.
Which of the following is a Synthetic rubber?
29.
Which of the following gas is used to destroy the microbes?
30.
What is a Vermicompost?
31.
Chlorine gas is a major component of which of the following?
32.
Which among the following is used to treat Indigestion?
33.
In which industry Potassium nitrate is used commercially?
34.
Which of the following metal shown by its symbol is generally used for making filaments of bulb?
35.
Rock Salt contains which mineral?
36.
The antiseptic compound present in Dettol is-
37.
Zinc Phosphide is commonly used as-
