Chemistry The chemical name of quartz is Calcium phosphate Calcium oxide Sodium phosphate Sodium silicate Calcium phosphate Calcium oxide Sodium phosphate Sodium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and zinc Lead and copper Lead and bismuth Lead and antimony Lead and zinc Lead and copper Lead and bismuth Lead and antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon monoxide and hydrogen Carbon dioxide and hydrogen Carbon dioxide and nitrogen Carbon monoxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and hydrogen Carbon dioxide and nitrogen Carbon monoxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Hydrogen peroxide Ozone Barium peroxide Sodium peroxide Hydrogen peroxide Ozone Barium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O+2 O2 O-2 O-22 O+2 O2 O-2 O-22 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Nitrous oxide Carbon monoxide Carbon dioxide Sulphur dioxide Nitrous oxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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