MCQ Questions of 10th Class With Answer and Solution

Dear candidates you will find MCQ questions of 10th Class here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
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Q. Organic acid present in vinegar.

(A) Acetic acid
(B) Hydrogenated acid
(C) Sulfuric acid
(D) None
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Correct Answer - Option (A)

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Q. The process by which bigger hydrocarbons split into smaller hydrocarbons

(A) Pyrolysis
(B) ---
(C) ---
(D) ---
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Correct Answer - Option (A)

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Q. The process by which hydrogen converts unsaturated compounds to saturated compounds.

(A) Hydrogenation
(B) ---
(C) ---
(D) ---
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Correct Answer - Option (A)

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Q. The process of removal of water from organic compounds.

(A) Dehydration
(B) ---
(C) ---
(D) ---
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Correct Answer - Option (A)

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Q. Ethyl alcohol containing methanol is known as

(A) Spurious liquor
(B) ---
(C) ---
(D) ---
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Correct Answer - Option (A)

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Q. A gas prepared when ethyl alcohol is treated with concentrated sulphuric acid

(A) Ethene
(B) Methen
(C) Co2
(D) O2
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Correct Answer - Option (A)

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Q. Newlands relation is called

(A) Musical Law
(B) Law of Octaves
(C) Periodic Law
(D) Atomic Mass Law
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Correct Answer - Option (B)

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Q. Upto which element, the Law of Octaves was found applicable?

(A) Oxygen
(B) Calcium
(C) Cobalt
(D) Potassium
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Correct Answer - Option (B)

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Q. In Mendeleev’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the Periodic Table later?

(A) Chlorine
(B) Silicon
(C) Oxygen
(D) Germanium
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Correct Answer - Option (D)

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Q. At the time of Mendeleev, the number of elements known was

(A) 63
(B) 65
(C) 62
(D) 64
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Correct Answer - Option (A)

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Table of contents

  1. Organic acid present in vinegar.
  2. The process by which bigger hydrocarbons split into smaller hydrocarbons
  3. The process by which hydrogen converts unsaturated compounds to saturated compounds.
  4. The process of removal of water from organic compounds.
  5. Ethyl alcohol containing methanol is known as
  6. A gas prepared when ethyl alcohol is treated with concentrated sulphuric acid
  7. Newlands relation is called
  8. Upto which element, the Law of Octaves was found applicable?
  9. In Mendeleev’s Periodic Table, gaps were left for the elements to be discovered later. Which of th
  10. At the time of Mendeleev, the number of elements known was

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