No. of questions -37
Time - 20 min
Negative marking : -0.25 mark
1.
Fruits stored in a cold chamber exhibit longer storage life because-
2.
'Saponification' is a process by which-
3.
Fabric made from .......... does not get wrinkled easily.
4.
In which industry Potassium nitrate is used commercially?
5.
The antiseptic compound present in Dettol is-
6.
Which of the following is used as non-stick coating for cooking utensils?
7.
Which of the following gas is used to destroy the microbes?
8.
Which fibre is also called as artificial silk?
9.
Zinc Phosphide is commonly used as-
10.
Substance which are used as a food preservative-
11.
Rock Salt contains which mineral?
12.
Which of the following fibres is considered as the strongest natural fibre?
13.
Tincture of iodine is a solution of Iodine in-
14.
Chlorine gas is a major component of which of the following?
15.
Which of the following gas is used in bulb?
16.
Photochemical smog is a resultant of the reaction among-
17.
The rubbing surface of a match box has powdered glass and a little red ...........
18.
Fire extinguishers emit which gas?
19.
.............. is obtained by evaporation of sea.
20.
Bleaching action of Chlorine is due to which reaction?
21.
Synthetic detergents are prepared from
22.
In which of the following silicon is not used?
23.
Which of the following is a natural polymer?
24.
Glycol is added to aviation gasoline because it-
25.
Aqueous Hydrolysis of sucrose formed-
26.
Which of the following metal shown by its symbol is generally used for making filaments of bulb?
27.
The class of drugs used for the treatment of stress is
28.
What is the by Product obtained in soap industry?
29.
Which among the following is used to treat Indigestion?
30.
Which base is present in soap?
31.
What is a Vermicompost?
33.
Which of the following is a Synthetic rubber?
34.
Which one of the following group of gases contribute to the "Green House Effect"?
35.
A ............ thread is actually stronger than a steel wire.
36.
The branch of medicine involving synthetic chemical compounds is:
37.
Terylene is a condensation polymer of ethylene glycol and which acid?
