Chemistry Nitric acid does not react with Gold Iron Copper Zinc Gold Iron Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Silver nitrate Silver iodide Sodium thiosulphate Sodium nitrate Silver nitrate Silver iodide Sodium thiosulphate Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Chromium Lead Nickel Zinc Chromium Lead Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium carbonate Tartaric acid Acetic acid Sodium salt of benzoic acid Sodium carbonate Tartaric acid Acetic acid Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Copper Iron Aluminium Tin Copper Iron Aluminium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? None of these Powder type Soda acid type Foam type None of these Powder type Soda acid type Foam type ANSWER DOWNLOAD EXAMIANS APP
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