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Chemistry GK Practice Question and Answer

Latest Popular RatedShowing Page 11 of 12Total Questions 90 Join Examsbook

Q:
Which is the first metal used by humans?
963 0

1
Gold
Correct
Wrong
2
Iron
Correct
Wrong
3
Copper
Correct
Wrong
4
Silver
Correct
Wrong

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SingleChoice

Answer : 3. "Copper"

Q:
Is zinc ore?
1060 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:
Is gas given with oxygen to patients for diagnosis of breathing problem?
963 0

1
Helium
Correct
Wrong
2
Organ
Correct
Wrong
3
Radon
Correct
Wrong
4
Krypton
Correct
Wrong

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SingleChoice

Answer : 1. "Helium"

Q:
Which of the following properties does not show metals?
878 0

1
Sound nature
Correct
Wrong
2
Tensile
Correct
Wrong
3
electrical conductivity
Correct
Wrong
4
Mandata
Correct
Wrong

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SingleChoice

Answer : 4. "Mandata"

Q:
Ant stings occur in?
904 0

1
oxide acid
Correct
Wrong
2
Formic acid
Correct
Wrong
3
lactic acid
Correct
Wrong
4
None of these
Correct
Wrong

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SingleChoice

Answer : 2. "Formic acid"

Q:
Herbs- The decomposition of vegetables into compost is an example of which reaction?
803 0

1
endothermic
Correct
Wrong
2
exothermic
Correct
Wrong
3
substitution
Correct
Wrong
4
Amphibian
Correct
Wrong

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SingleChoice

Answer : 2. "exothermic"

Q:
What type of reaction is respiration?
904 0

1
exothermic reaction
Correct
Wrong
2
combination reaction
Correct
Wrong
3
oxidation-reduction reaction
Correct
Wrong
4
two-decomposition reaction
Correct
Wrong

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SingleChoice

Answer : 1. "exothermic reaction"

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
Workspace
SingleChoice

Answer : 1. "Sodium"

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