Chemistry The metallic constituents of hard water are : Magnesium, tin and iron Calcium, magnesium and iron Iron, tin and calcium Magnesium, calcium and tin Magnesium, tin and iron Calcium, magnesium and iron Iron, tin and calcium Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Natural gas Wood Coal Coke Natural gas Wood Coal Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Baking powder Baking soda Soda lime Soda ash Baking powder Baking soda Soda lime Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Clay and graphite Chalk and graphite Limestone and graphite Limestone and clay Clay and graphite Chalk and graphite Limestone and graphite Limestone and clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines Catalytic converters in industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Silicon carbide Calcium carbide Calcium oxide Silicon oxide Silicon carbide Calcium carbide Calcium oxide Silicon oxide ANSWER DOWNLOAD EXAMIANS APP
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