Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Nickel Lead Chromium Zinc Nickel Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with None of these Carbon Hydrogen Oxygen None of these Carbon Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 300 km 100 km 150 km 200 km 300 km 100 km 150 km 200 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colloids can be purified by Condensation Condensation Dialysis Condensation Condensation Condensation Dialysis Condensation ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH value between 6.5-7.5 makes the soil None of these Acidic Basic Neutral None of these Acidic Basic Neutral ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will Increase May increase or decrease Remain the same Decrease Increase May increase or decrease Remain the same Decrease ANSWER DOWNLOAD EXAMIANS APP
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