Chemistry Dry ice is the solid form of : Air Carbon di–oxide Water Nitrogen Air Carbon di–oxide Water Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ The same atomic number and the atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass The same atomic number and the atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is used as raw material by which industry ? Gold Iron Aluminium Steel Gold Iron Aluminium Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Antoine Lavoisier John Dalton Democritus Robert Boyle Antoine Lavoisier John Dalton Democritus Robert Boyle ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Bauxite Copper Dolomite Lignite Bauxite Copper Dolomite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Aluminium Magnesium Potassium Beryllium Aluminium Magnesium Potassium Beryllium ANSWER DOWNLOAD EXAMIANS APP
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