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Subject chemistry Full Book Test


Question # 1

EN

In mass spectrometer, detector or collector measures the

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Question # 2

EN
Bromine has isotopes
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Question # 3

EN

The mass of oxygen atom is

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Question # 4

EN
Isotopes are sister atoms of same elements with same chemical properties but different in
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Question # 5

EN
An ordinary microscope can measure the size of object up to:
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Question # 6

EN
Which is the following element can exist in mono atomic form.
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Question # 7

EN

The number of molecules in one gram molecules of CO2

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Question # 8

EN
Electrometer are also called
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Question # 9

EN
Out of 280 isotopes which occurs in nature,radioactive isotopes are:
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Question # 10

EN
Silver has isotopes
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Question # 11

EN
Atom of which of the following element has independent existence?
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Question # 12

EN
The number of isotopes Tin are :
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Question # 13

EN
Positive ion are called:
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Question # 14

EN
1A.M.U is equal
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Question # 15

EN
A Swedish chemist J.BERNELIUS determined
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Question # 16

EN
Height of peak in mass spectrum shows
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Question # 17

EN
How many times a haemoglobin molecule heavier than hydrogen atom
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Question # 18

EN
Each molecule of haemoglobin is made up of nearly
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Question # 19

EN
The number of isotopes CD is
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Question # 20

EN

Who determined the atomic mass?

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