Chemistry Which one of the following is known as the 'brown coal'? Lignite Anthracite Coke Bituminous Lignite Anthracite Coke Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? S Na P Ag S Na P Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Barium peroxide Hydrogen peroxide Ozone Sodium peroxide Barium peroxide Hydrogen peroxide Ozone Sodium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 1 0.78 0.01 0.21 1 0.78 0.01 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Lead nitrate Potassium cyanide Zinc phosphide Zinc oxide Lead nitrate Potassium cyanide Zinc phosphide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Iron Sodium Magnesium Potassium Iron Sodium Magnesium Potassium ANSWER DOWNLOAD EXAMIANS APP
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