Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Argon Radon Krypton Helium Argon Radon Krypton Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Calcium hydroxide Sodium bicarbonate Magnesium carbonate Magnesium hydroxide Calcium hydroxide Sodium bicarbonate Magnesium carbonate Magnesium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Gritty substances Suspended solids Inorganic substances Oil and fatty substances Gritty substances Suspended solids Inorganic substances Oil and fatty substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Oxygen Chlorine Sulphur Phosphorus Oxygen Chlorine Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Solvent Absorbent Adsorbent Coagulant Solvent Absorbent Adsorbent Coagulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Hydrogen peroxide Barium peroxide Sodium peroxide Ozone Hydrogen peroxide Barium peroxide Sodium peroxide ANSWER DOWNLOAD EXAMIANS APP