Chemistry Which of the following is not a precious/semi-precious stone? Pearl Ruby Emerald Sapphire Pearl Ruby Emerald Sapphire 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
Chemistry Acid rain is caused by the pollution of environment by Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 10-15% 0.02 3-5% 7-9% 10-15% 0.02 3-5% 7-9% ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of SO2 layer O3 layer CO2 layer O 2 layer SO2 layer O3 layer CO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as a/an Fertiliser Pesticide Insecticide Disinfectant Fertiliser Pesticide Insecticide Disinfectant ANSWER DOWNLOAD EXAMIANS APP
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