Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Potassium Sodium Lithium Cadmium Potassium Sodium Lithium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Zinc Lead Platinum Mercury Zinc Lead Platinum Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Ozone Carbon dioxide Carbon monoxide Water vapour Ozone Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Added unlead compounds Octane number Gold number Cetane number Added unlead compounds Octane number Gold number Cetane number ANSWER DOWNLOAD EXAMIANS APP
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