According to the recommendations given by WHO/UNICEF. In ORS, what are the quantities of Sodium bicarbonate and Potassium chloride in I litre of water?

What is the amount of sodium bicarbonate present in the commercial ORS?

Permanent hardness of water is due to the presence of (1) bicarbonates of sodium and potassium (2) bicarbonates of sodium and potassium (3) chlorides and sulphates of calcium and matgnesium. (4) bicarbonates of calcium and magnesium. (5) phosphates of sodium and potassium

This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements. 15. Statement -1: Potassium carbonate can be prepared by Solvay process like sodium carbonate using potassium chloride as starting material. Statement - II : Potassium carbonate is obtained as one of the products when potassium superoxide reacts with carbon dioxide.

This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements. Statement - I : Sodium bicarbonate generally precipitates normal carbonate from magnesium chloride solution. Statement - II: Sodium carbonate generally precipitates basic carbonate from magnesium chloride solution.

3g of hydrated caclium chloride yields 1.52 g of the anhydrous salt on heating. What is the percentage of water present in the hydrated salt? Find the quantity of water associated per mole of the anhydrous salt.

Give the nature of bonding in the following types of solids. (i)Copper (ii) water (iii) sodium chloride (iv) graphite.

This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements. Statement - I : Solution of sodium hydroxide can be stored in a vessel made of Zn or Al. Statement - II : Sodium ferrite on treatment with hot water produces sodium hydroxide.

According to the definition of International ohm, the resistance of a uniform column of mercury of length 106.3 cm and of mass 14.4521 g . When kept is melting ice, becomes 1 Omega (i) IF the temperature coefficient of resistance of mercury be 9 times 10^(-4^@)C^-1 . then what will be the resistance of that mercury column in boiling water? (ii) IF the density of mercury be 13.59 g. cm^-3 and its coefficient of volume expansion be 1.8 times 10^(-4^@)C^-1 . then what will be the resistivity of mercury at the temperature of boiling water.

What is the permissible limit of Arsenic in drinking water according to W.H.O ?

A colloid is formed by adding FeCl_(3) in excess of hot water. What will happen if excess sodium chloride is added to this colloid?