Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 150 km 100 km 300 km 200 km 150 km 100 km 300 km 200 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2CO3.10H2O Na2SO4.10H2O NaHCO3 Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O NaHCO3 Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Chromium Tin Copper Zinc Chromium Tin Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium Carbonate is commonly known as Baking Soda Caustic Potash Washing Soda Caustic Soda Baking Soda Caustic Potash Washing Soda Caustic Soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Lake water Sea water River water Rain water Lake water Sea water River water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Commuting by public transport All of these Recycling waste materials Using energy efficient appliances Commuting by public transport All of these Recycling waste materials Using energy efficient appliances ANSWER DOWNLOAD EXAMIANS APP
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