Chemistry Laughing gas is Nitric oxide Nitrogen trioxide Nitrogen pentoxide Nitrous oxide Nitric oxide Nitrogen trioxide Nitrogen pentoxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Zinc Carbon Tin Lead Zinc Carbon Tin Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Methane Methyl alcohol Oxygen Acetic acid Methane Methyl alcohol Oxygen Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Potassium Sodium Lithium Cadmium Potassium Sodium Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 6.3 5.6 8.3 3.2 6.3 5.6 8.3 3.2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Calcium Silicon Sodium Magnesium Calcium Silicon Sodium Magnesium ANSWER DOWNLOAD EXAMIANS APP
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