Chemistry Practice Question and Answer

Q:

Burning of Hydrogen produces 

1665 0

  • 1
    Soil
    Correct
    Wrong
  • 2
    Water
    Correct
    Wrong
  • 3
    Oxygen
    Correct
    Wrong
  • 4
    Ash
    Correct
    Wrong
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Answer : 2. "Water"

Q:

Is zinc ore?

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  • 1
    zinc blade
    Correct
    Wrong
  • 2
    Bauxite
    Correct
    Wrong
  • 3
    sodium chloride
    Correct
    Wrong
  • 4
    Sinawar
    Correct
    Wrong
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Answer : 1. "zinc blade"

Q:

Which of the following is not a normal salt?

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  • 1
    $$ {Na_2SO_4}$$
    Correct
    Wrong
  • 2
    $$ {NaHSO_4}$$
    Correct
    Wrong
  • 3
    $$ {Na_3PO_4}$$
    Correct
    Wrong
  • 4
    $$ {CaSO_4}$$
    Correct
    Wrong
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Answer : 2. "$$ {NaHSO_4}$$"

Q:

What do you call the type of drugs that mimic the natural messenger by switching on the receptor?

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  • 1
    Antidepressants
    Correct
    Wrong
  • 2
    Depressants
    Correct
    Wrong
  • 3
    Agonist
    Correct
    Wrong
  • 4
    Antagonists
    Correct
    Wrong
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Answer : 3. "Agonist"

Q:

Which metal starts floating when put in water?

1633 0

  • 1
    calcium
    Correct
    Wrong
  • 2
    Nickel
    Correct
    Wrong
  • 3
    Magnesium
    Correct
    Wrong
  • 4
    Potassium
    Correct
    Wrong
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Answer : 1. "calcium"

Q:

How many categories of elements are divided on the basis of properties?

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  • 1
    4
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 3. "3"

Q:

Which of the following is incorrect with reference to hypophysis?

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  • 1
    It lies a bony depression called sell turcica
    Correct
    Wrong
  • 2
    Connected to hypothalamus through infundibulum
    Correct
    Wrong
  • 3
    Anatomically divided into adeno-hypophysis and neurohypophysis
    Correct
    Wrong
  • 4
    Neurohypophysis synthesizes ADH and OT
    Correct
    Wrong
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Answer : 4. "Neurohypophysis synthesizes ADH and OT"

Q:

Gold is alloyed with which metal to make it harder?

1623 0

  • 1
    C
    Correct
    Wrong
  • 2
    Sn
    Correct
    Wrong
  • 3
    Cu
    Correct
    Wrong
  • 4
    Ag
    Correct
    Wrong
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Answer : 3. "Cu"

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