Chemistry Which variety of coal contains recognisable traces of the original plant material ? Anthracite Bitumen Peat Lignite Anthracite Bitumen Peat Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Aluminium Zinc Iron Copper Aluminium Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? SO2 CO NO PAN SO2 CO NO PAN ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Tartaric acid Sodium carbonate Sodium salt of benzoic acid Acetic acid Tartaric acid Sodium carbonate Sodium salt of benzoic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' John Dalton Antoine Lavoisier Democritus Robert Boyle John Dalton Antoine Lavoisier Democritus Robert Boyle ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will Decrease Increase Remain the same May increase or decrease Decrease Increase Remain the same May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
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