Chemistry MCQs with answers Page - 28

Here, you will find a collection of MCQ questions on Chemistry. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Ornithophily refers to the pollination through which among the following?

  • (A) Wind
  • (B) Insects
  • (C) Birds
  • (D) Water

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Q. Which among the following is not among Micronutrients required for plants?

  • (A) Molybdenum
  • (B) Magnesium
  • (C) Manganese
  • (D) Zinc

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Q. The metal that is usually extracted from sea water is

  • (A) Na
  • (B) Ca
  • (C) Mg
  • (D) K

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Q. Radical vascular bundles are those in which

  • (A) Xylem and phloem occur on the same radius
  • (B) Xylem is surrounded by phloem
  • (C) Xylem and phloem occur on the different radii
  • (D) Phloem is surrounded by xylem

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Q. The most electronegative element among the following is

  • (A) Oxygen
  • (B) Bromine
  • (C) Sodium
  • (D) Fluorine

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Q. The hydronium ion is

  • (A) Hâ‚‚+
  • (B) H+
  • (C) H3O+
  • (D) HO-

A

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Q. Which of the following is used for removing air bubbles from glass during its manufacture?

  • (A) Arsenous oxide
  • (B) Feldspar
  • (C) Potassium carbonate
  • (D) Soda ash

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Q. What type of compound is Lecithin?

  • (A) Glycolipid
  • (B) Phospholipid
  • (C) Sterol
  • (D) Lipoprotein

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Q. Permanent hardness of water is due to the presence of ?

  • (A) Sodium bicarbonate
  • (B) Calcium sulphate
  • (C) Magnesium bicarbonate
  • (D) Calcium bicarbonate

A

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Q. Which of the following is a characteristic of all minerals?

  • (A) Minerals are inorganic
  • (B) Crystalline solids
  • (C) All minerals are formed in a natural process
  • (D) All the above

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