National Level Online Quiz on Chemistry Certificate 2020 | National Level Quiz with Certificate

 




              






Question : 1) A non metal which is not a poor conductor
of electricity



Answer : Selenium



 



Question : 2) Acetyl salicylic acid is commonly used as



Answer : A pain killer



 



Question : 3) Global warming is caused due to the
increase in the level of __________gas.



Answer : Carbon dioxide



 



Question : 4) The composition of Talc is



Answer : Magnesium, silicon, oxygen



 



Question : 5) Which of the following elemenet is most
electronegative



Answer : Flourine



 



Question : 6) The mixture of Glass contains



Answer : Sand and silicates



 



Question : 7) Artificial ripening of green fruit is can
be done by



Answer : Ethylene



 



Question : 8) The active component of tea and coffee is



Answer : caffeine



 



Question : 9) As compared to other atoms, heavy metals
have



Answer : higher densities



 



Question : 10) The paramagnetism is due to the presence
of



Answer : unpaired electrons



 

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