Time limit: 0
Finish Test
0 of 50 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
Information
- Science and Tech-Chemistry Important Questions
- Free Online Test with Answers
- Very useful for all Competitive Exams
You have already completed the quiz before. Hence you can not start it again.
Test is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 50 questions answered correctly
Time has elapsed
You have reached 0 of 0 points, (0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- Answered
- Review
-
Question 1 of 50
1. Question
The purest form of water is
-
Question 2 of 50
2. Question
The main constituent of biogas is
-
Question 3 of 50
3. Question
Aspirin is chemically known as
-
Question 4 of 50
4. Question
The most abundant element in the human body is
-
Question 5 of 50
5. Question
Which of the following is not a greenhouse gas?
-
Question 6 of 50
6. Question
Wax used for making candle is chemically a mixture of
-
Question 7 of 50
7. Question
Litmus is obtained from
-
Question 8 of 50
8. Question
Vinegar made by fermentation from cane sugar contains
-
Question 9 of 50
9. Question
Photooxidation process is initiated by
-
Question 10 of 50
10. Question
Which one of the following is used in large quantities in Cement Industry?
-
Question 11 of 50
11. Question
Ultraviolet radiation striking the earth is due to the depletion of
-
Question 12 of 50
12. Question
Major gaseous pollutant of the thermal power station is
-
Question 13 of 50
13. Question
The process of removing calcium and magnesium from hard water is known as
-
Question 14 of 50
14. Question
The tip of the match-stick contains
-
Question 15 of 50
15. Question
Match the following:
A. Formic acid 1. Lemon B. Citric acid 2. Tamarind C. Tartaric acid 3. Ants -
Question 16 of 50
16. Question
Commercially, sodium bicarbonate is known as
-
Question 17 of 50
17. Question
An emulsifier is an agent which
-
Question 18 of 50
18. Question
Mortar is a mixture of water, sand and
-
Question 19 of 50
19. Question
Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?
-
Question 20 of 50
20. Question
Which one of the following metals does not react with water to produce Hydrogen?
-
Question 21 of 50
21. Question
Ozone consists of
-
Question 22 of 50
22. Question
Which of the following liquids has the least density?
-
Question 23 of 50
23. Question
One of the constituents of tear gas is
-
Question 24 of 50
24. Question
An atomic clock is based on transitions in
-
Question 25 of 50
25. Question
What is the chemical name of vinegar?
-
Question 26 of 50
26. Question
Which of the following is not a property of heavy water?
-
Question 27 of 50
27. Question
Silver halides are used In photographic plates because they are
-
Question 28 of 50
28. Question
Tetra ethyle lead (TEL) is
-
Question 29 of 50
29. Question
Curie point is the temperature at which
-
Question 30 of 50
30. Question
The isotope used for the production of atomic energy is
-
Question 31 of 50
31. Question
Which of the following is not a nucleon?
-
Question 32 of 50
32. Question
The material used in the manufacture of lead pencil is
-
Question 33 of 50
33. Question
German silver, an alloy, does not contain the metal
-
Question 34 of 50
34. Question
Which substance is added to make natural rubber more strong and bouncy?
-
Question 35 of 50
35. Question
Detergents are
-
Question 36 of 50
36. Question
The noble gas used in radiotherapy is
-
Question 37 of 50
37. Question
Steel contains
-
Question 38 of 50
38. Question
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are
-
Question 39 of 50
39. Question
White phosphorus is always kept under
-
Question 40 of 50
40. Question
Sea water can be purified by the process of
-
Question 41 of 50
41. Question
Galena is a mineral of
-
Question 42 of 50
42. Question
Magnalium is an alloy of
-
Question 43 of 50
43. Question
Galvanization of Iron is carried out using
-
Question 44 of 50
44. Question
Cooking gas is a mixture of
-
Question 45 of 50
45. Question
Dry powder fire extinguishers contain
-
Question 46 of 50
46. Question
Which type of glass is used for making glass reinforced plastic?
-
Question 47 of 50
47. Question
Two elements which are used to absorb neutrons to control the chain reaction during nuclear fission are
-
Question 48 of 50
48. Question
The most commonly used chemicals in the artificial rainmaking or cloud seeding are
-
Question 49 of 50
49. Question
Which of the following can be used to absorb neutrons to control the chain reaction during nuclear fission?
-
Question 50 of 50
50. Question
Hydrogen bomb is based on the principle of