Chemistry Of the following, which one pollutes the air of a big city ? Cadmium Copper Lead Chromium Cadmium Copper Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Zinc Lead Antimony Chromium Zinc Lead Antimony Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ Different atomic numbers and the same atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Dry Ice (Frozen CO2) All of these Sodium Chloride (NaCl) Silver Iodide (Ag I) Dry Ice (Frozen CO2) All of these Sodium Chloride (NaCl) Silver Iodide (Ag I) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Indane gas Water gas Natural gas Coal gas Indane gas Water gas Natural gas Coal gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Disinfectant Hydrolyser Precipitator Flocculator Disinfectant Hydrolyser Precipitator Flocculator ANSWER DOWNLOAD EXAMIANS APP
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