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Free gk questions Online Test - MeritNotes

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No. of Questions :10

Remaining Time :

1. Borax is one of the constituents in

(a) Safety glass
(b) Hard glass
(c) Flint glass
(d) Pyrex glass

2. Which of the following is used to cure thyroid cancer?

(a)
U-92
(b)
Co-60
(c)
Ra-180
(d)
I-123

3. The fluoride ore of aluminium is

(a) Bauxite
(b) Corundum
(c) Cryolite
(d) Haematite

4. Permanent hardness of water can be removed by adding

(a)
Washing soda
(b)
Bleaching powder
(c)
Chlorine
(d)
Potassium permanganate

5. pH of human body varies within the range of

(a) 5.5 to 5.8
(b) 6.0 to 6.5
(c) 7.0 to 7.8
(d) 7.0 to 11.0

6. An aqueous solution of sulphur dioxide forms

(a) Nitric acid
(b) Hydrochloric acid
(c) Sulphurous acid
(d) Sulphuric acid

7. Which one element does not have its allotropic forms?

(a)
Nitrogen
(b)
Oxygen
(c)
Phosphorus
(d)
Sulphur

8. In the process of electrolysis oxidation occurs at

(a)
Anode
(b)
Cathode
(c)
Both of these
(d)
None of these

9. Which of the following solutions should have the pH greater than seven?

(a) Acidic
(b) Basic
(c) Neutral
(d) All the above

10. Azotropic mixtures are

(a)
Constant boiling mixture
(b)
Mixture of two solids
(c)
Those which can be fractionally distilled
(d)
Those which boil at different temperatures

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