General Science MCQ – 73 (Chemistry)

chemistry, physics, biology

Dear Aspirants,

General Science MCQs including Physics, Chemistry, Biology. This help is General Eligibility Test like Entrance Exam, Sainik School, NDA, Army, All India Competitive exam, and All HP Exams. You can also play our weekly quiz and download all quizzes PDF as well.

1. Range of pH scale is?
(A) 7 to 10
(B) 0 to 10
(C) 0 to 14
(D) 7 to 14

2. Level of pH found in antacid solution?
(A) ≤ 6.5
(B) ≥ 7.0
(C) > 10
(D) > 14

3. Three unknown solutions are given with pH value of 6, 8, & 9.5 respectively. Which solution will contain the maximum OH- ion?
(A) Solution smaple-1
(B) Solution smaple-2
(C) Solution smaple-3
(D) Data are insufficient

4. pH of neutral salt is?
(A) 7
(B) <7
(C) >7
(D) 0

5. Ammonium sulphate salt is?
(A) Basic salt
(B) Acidic salt
(C) Neutral salt
(D) Complex salt

6. When sulphuric acid reacts with eggshell it produces?
(A) Hydrogen gas
(B) Nitrogen gas
(C) Carbon monoxide
(D) Carbon dioxide gas

7. in the Chlor-alkali process, the by-product gases are ?
(A) Hydrogen only
(B) Hydrogen and oxygen gas
(C) Hydrogen and chlorine gas
(D) Chlorine and nitrogen gas

8. The following salt is not hygroscopic in nature?
(A) NaCl
(B) MhCl
(C) CaCl2
(D) KCl

9. When more and more water is diluted with acids its H+ ion concentration will?
(A) Increase
(B) Decrease
(C) Remain the same
(D) Depends on the type of acids

10. When acids react with metal oxide it produces?
(A) Water and salt
(B) Salts and hydrogen gas
(C) Salts only
(D) No reaction takes place

General Science MCQ – 72 (Biology)

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