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Chemistry Practice Question and Answer

Latest Popular RatedShowing Page 16 of 34Total Questions 266 Join Examsbook

Q:
Which of the following energy is most used in organic quantities?
881 0

1
Solar Energy
Correct
Wrong
2
Petroleum Energy
Correct
Wrong
3
Atomic Energy
Correct
Wrong
4
Coal Energy
Correct
Wrong

Show AnswerHide Answer
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SingleChoice

Answer : 1. "Solar Energy"

Q:
Chemically " Plaster of Paris " is –
881 0

1
Calcium oxide
Correct
Wrong
2
Calcium oxalate
Correct
Wrong
3
Calcium Sulphate
Correct
Wrong
4
Calcium Carbonate
Correct
Wrong

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SingleChoice

Answer : 3. "Calcium Sulphate "

Q:
In atom, neutron was discovered by –
881 0

1
Rutherford
Correct
Wrong
2
Newton
Correct
Wrong
3
J.J . Thomson
Correct
Wrong
4
Chadwick
Correct
Wrong

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Answer : 4. "Chadwick "

Q:
What type of reaction is corrosion?
879 0

1
Reduction reaction
Correct
Wrong
2
precipitation reaction
Correct
Wrong
3
oxidation reaction
Correct
Wrong
4
combination reaction
Correct
Wrong

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SingleChoice

Answer : 3. "oxidation reaction"

Q:
What is the acid found in bees?
879 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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SingleChoice

Answer : 1. "Formic acid"

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:
Who proposed the word 'molecule'?
868 0

1
E. Rutherford
Correct
Wrong
2
J.J. Thomson
Correct
Wrong
3
Democritus
Correct
Wrong
4
John Dolton
Correct
Wrong

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Answer : 3. "Democritus"

Q:
is silica?
867 0

1
metalloids
Correct
Wrong
2
metal
Correct
Wrong
3
non-metals
Correct
Wrong
4
none of these
Correct
Wrong

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SingleChoice

Answer : 1. "metalloids"

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