Chemistry General Knowledge Questions Practice Question and Answer

Q:

Which of the following is incorrect with reference to hypophysis?

2001 0

  • 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:

The percentage of nitrogen present in ammonium sulphate is: 

1918 0

  • 1
    $$ 30.5 \% $$
    Correct
    Wrong
  • 2
    $$ 18 \% $$
    Correct
    Wrong
  • 3
    $$ 21 \% $$
    Correct
    Wrong
  • 4
    $$ 25\% $$
    Correct
    Wrong
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Answer : 3. "$$ 21 \% $$"

Q:

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

1917 0

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

Q:

Burning of Hydrogen produces 

1910 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:

Methane an air pollutant is produced ___________

1884 0

  • 1
    by burning of coal in insufficient air
    Correct
    Wrong
  • 2
    by digestion of food by animals
    Correct
    Wrong
  • 3
    by action of ultraviolet light on nitrogenous compounds.
    Correct
    Wrong
  • 4
    as a by-product of manufacturing ammoniacal fertilizers
    Correct
    Wrong
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Answer : 2. "by digestion of food by animals"

Q:

What is the acid found in bees?

1880 0

  • 1
    Formic acid
    Correct
    Wrong
  • 2
    Acetic acid
    Correct
    Wrong
  • 3
    Carbolic acid
    Correct
    Wrong
  • 4
    Oxalic acid
    Correct
    Wrong
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Answer : 1. "Formic acid"

Q:

Which of the following is not a normal salt?

1868 0

  • 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:

Gold is alloyed with which metal to make it harder?

1866 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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