Chemistry The chemical substance present in bones and teeth is Calcium sulphate Calcium borate Calcium phosphate Calcium chloride Calcium sulphate Calcium borate Calcium phosphate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 1 1 : 16 : 2 1 : 1 : 1 2 : 16 : 2 2 : 16 : 1 1 : 16 : 2 1 : 1 : 1 2 : 16 : 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Nickel Chromium Lead Zinc Nickel Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High flammability Low reactivity with metal High calorific value Ability to lower the melting point of the metal High flammability Low reactivity with metal High calorific value Ability to lower the melting point of the metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Paraffin wax Bees wax Jojoba wax Carnauba wax Paraffin wax Bees wax Jojoba wax Carnauba wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide Lead Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide Lead ANSWER DOWNLOAD EXAMIANS APP
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