Chemistry The purest form of water is Tap water Distilled water Ground water Rain water Tap water Distilled water Ground water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing Sea beds have salt producing mines The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing Sea beds have salt producing mines The air around the sea is saltish ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Washing soda Baking soda Soda lime Caustic soda Washing soda Baking soda Soda lime Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.413 × 107 8.341 × 107 8.314 × 107 4.183 × 107 8.413 × 107 8.341 × 107 8.314 × 107 4.183 × 107 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Iron Copper Aluminium Tin Iron Copper Aluminium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 4.5-5 7.5-8 6.5-7 44052 4.5-5 7.5-8 6.5-7 44052 ANSWER DOWNLOAD EXAMIANS APP