Chemistry Rock salt is a mineral containing Iron Potassium Sodium Magnesium Iron Potassium Sodium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrous oxide Nitric oxide Nitrate Nitrite Nitrous oxide Nitric oxide Nitrate Nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and c C and d A and b B and c A and c C and d A and b B and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry One carat of diamond is equal to 200 mg 150 mg 250 mg 100 mg 200 mg 150 mg 250 mg 100 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the second largest component in milk ? Sugar Fat Minerals Water Sugar Fat Minerals Water ANSWER DOWNLOAD EXAMIANS APP
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