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Chemistry MCQ Questions with answers

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Learn Chemistry MCQs [Page 1 of Department 8]

2) Which of the following metals can displace copper from copper sulphate solution ?

(A) Platinum
(B) Mercury
(C) Iron
(D) Gold
Correct Answer - Option (C)

Explanation:
Iron metal is more reactive than copper. Therefore, it can displace copper from copper sulphate (CuSO4) solution. Cu is less reactive than iron, therefore, cannot replace iron from iron sulphate (FeSO4).

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3) Which of the following one of the following forms of phosphorus is most reactive -

(A) White phosphorus
(B) Violet phosphorus
(C) Red phosphorus
(D) Black phosphorus
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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4) Which among the given chemicals is used in photography -

(A) Potassium nitrate
(B) Sodium chloride
(C) Silver bromide
(D) Aluminium hydroxide
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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5) Most of the explosions in mines occur due to the mixing of

(A) Hydrogen with oxygen
(B) Methane with air
(C) Carbon dioxide with ethane
(D) Oxygen with acetylene
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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7) Which of the following one of the following is found in kidney stones -

(A) Sodium oxalate
(B) Calcium oxalate
(C) Calcium acetate
(D) Sodium chloride
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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8) Which of the following one of the following is found in kidney stones -

(A) Sodium oxalate
(B) Calcium oxalate
(C) Calcium acetate
(D) Sodium chloride
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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9) With reference to ionic compounds, consider the following statements 
1. Ionic compounds are insoluble in alcohol. 
2. Ionic compounds in the solid state are good conductor of electricity. 
Which of these statements is/are right?

(A) Only 2
(B) Only 1
(C) Both 1 and 2
(D) Neither 1 nor 2
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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10) Calcium salts used as fertilizer is:

(A) Calcium Sulphate
(B) Calcium Carbide
(C) Calcium Carbonate
(D) Calcium Cyanide
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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