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Everyday Science MCQs — Test 27

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Question 1
The number of peaks obtained in mass spectrometry shows____________________?
Question 2
Molecular mass of water (18g) means__________________?
Question 3
Which of the following statements about isotopes is correct ?
Question 4
One mole of CO2 contains?
Question 5
The number of isotopes of elements with even mass number and even atomic number are ________________?
Question 6
Which of the following terms is not used for ionic compound ?
Question 7
moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?
Question 8
Which one of the following has the maximum number of isotopes ?
Question 9
The volume occupied by 2.8 g of N2 at STP______________________?
Question 10
The number of moles of CO2 which contains 16 g of oxygen is__________________?