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Chemistry GK Practice Question and Answer

Latest Popular RatedShowing Page 8 of 12Total Questions 90 Join Examsbook

Q:
Which of the following metals are kept immersed in kerosene?
787 0

1
Sodium
Correct
Wrong
2
Magnesium
Correct
Wrong
3
Zinc
Correct
Wrong
4
all
Correct
Wrong

Show AnswerHide Answer
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SingleChoice

Answer : 1. "Sodium"

Q:
Which compound is formed when copper is burnt in air?
781 0

1
copper hydroxide
Correct
Wrong
2
copper hydride
Correct
Wrong
3
Copper Oxide
Correct
Wrong
4
nothing
Correct
Wrong

Show AnswerHide Answer
Workspace
SingleChoice

Answer : 3. "Copper Oxide"

Q:
Which of the following non-metals are kept immersed in water?
776 0

1
Sulfur
Correct
Wrong
2
White Phosphorus
Correct
Wrong
3
Red Phosphorus
Correct
Wrong
4
Iodine
Correct
Wrong

Show AnswerHide Answer
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SingleChoice

Answer : 2. "White Phosphorus"

Q:
Which metal floats when put in water?
775 0

1
Calcium
Correct
Wrong
2
Nickel
Correct
Wrong
3
Magnesium
Correct
Wrong
4
Potassium
Correct
Wrong

Show AnswerHide Answer
Workspace
SingleChoice

Answer : 1. "Calcium"

Q:
Which non-metal is liquid at room temperature?
765 0

1
mercury
Correct
Wrong
2
aluminum
Correct
Wrong
3
Bromine
Correct
Wrong
4
Copper
Correct
Wrong

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SingleChoice

Answer : 3. "Bromine"

Q:
Silver and copper heat?
752 0

1
are the best drivers
Correct
Wrong
2
are less conductors
Correct
Wrong
3
are dielectrics
Correct
Wrong
4
is the best conductor
Correct
Wrong

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SingleChoice

Answer : 1. "are the best drivers"

Q:
Is it an ore of zinc?
750 0

1
Zinc Blade
Correct
Wrong
2
Bauxite
Correct
Wrong
3
sodium chloride
Correct
Wrong
4
Sinawar
Correct
Wrong

Show AnswerHide Answer
Workspace
SingleChoice

Answer : 1. "Zinc Blade"

Q:
Which of the following are strongly acidic?
739 0

1
pH = 7
Correct
Wrong
2
pH = 14
Correct
Wrong
3
pH = 0
Correct
Wrong
4
pH = 3
Correct
Wrong

Show AnswerHide Answer
Workspace
SingleChoice

Answer : 3. "pH = 0"

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