Chemistry Ruby and sapphire are oxides of Tin Iron Aluminium Copper Tin Iron Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Anaesthetic Gas Noble Gas Tear Gas Laughing Gas Anaesthetic Gas Noble Gas Tear Gas Laughing Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is White lead Silver powder Lead powder Aluminium powder White lead Silver powder Lead powder Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbon dioxide Carbonates from soil Water Oxides of mineral elements Carbon dioxide Carbonates from soil Water Oxides of mineral elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Carbon dioxide Radioactive waste Oil spill Acid rain Carbon dioxide Radioactive waste Oil spill Acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is An antioxidant A reductant An antiknock compound A catalyst in burning fossil fuel An antioxidant A reductant An antiknock compound A catalyst in burning fossil fuel ANSWER DOWNLOAD EXAMIANS APP