Chemistry The metallic constituents of hard water are : Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Both A and B Heterogeneous Pure substance Homogeneous Both A and B Heterogeneous Pure substance Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Using energy efficient appliances Commuting by public transport All of these Recycling waste materials Using energy efficient appliances Commuting by public transport All of these Recycling waste materials ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and bismuth Lead and antimony Lead and zinc Lead and copper Lead and bismuth Lead and antimony Lead and zinc Lead and copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal and Natural Gas only Coal only Coal, Natural Gas and Petroleum None of these Coal and Natural Gas only Coal only Coal, Natural Gas and Petroleum None of these ANSWER DOWNLOAD EXAMIANS APP
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