Q841
Open questionThe first organic compound synthesised in the laboratory was
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Q842
Open questionAmong the following, carbonate ore of Zinc is
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Q843
Open questionThe metal used for making aircrafts and rockets is
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Q844
Open questionThe compound that has the least value for octane number is :
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Q845
Open questionThe length of double bond is _______ than single bond.
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Q846
Open questionAn example of heterocyclic compound is
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Q847
Open questionIn organic compounds, nitrogen is estimated by
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Q848
Open questionHeavy metals got their name because compared to other atoms they have
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Q849
Open questionWhich one of the following elements exhibits the greatest tendency to lose electrons ?
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Q850
Open questionWhich one is heaviest naturally occurring element of the periodic element?
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Q851
Open questionWhat is the atomic number of mercury?
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Q852
Open questionWhich of the following molecules has a bond order of 2.5?
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Q853
Open questionAn element of atomic no. 29 belongs to
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Q854
Open questionWhich metal is the heaviest in periodic table among the following ?
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Q855
Open questionRuby and sapphire are oxides of
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Q856
Open questionThe chemical name of quartz is
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Q857
Open questionWhat is the most common salt in sea water ?
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Q858
Open questionFertiliser having high nitrogen content is :
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Q859
Open questionWhich one of the following is found in kidney stones?
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Q860
Open questionWhich one of the following is not present in cement ?
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