Chemistry The element used for making solar cells is Silicon Magnesium Calcium Sodium Silicon Magnesium Calcium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Cement Aluminium Petrochemicals Fertilizers Cement Aluminium Petrochemicals Fertilizers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Coke Graphite Diamond Lamp black Coke Graphite Diamond Lamp black ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? Wrought iron High speed steel Stainless steel Cast iron Wrought iron High speed steel Stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Closed system Isobaric system Open system Isothermal system Closed system Isobaric system Open system Isothermal system ANSWER DOWNLOAD EXAMIANS APP
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