Rewrite by inserting a key word in the space indicated by '^'. Photolysis is the splitting of water molecules into hydrogen ions and hydroxyl ions in the presence of and light

Rewrite by inserting key word in the space indicated by '^'. Osmosis is the movement of water molecules from its region of high concentration to its region of low concentration through a ^ membrane .

Rewrite the correct form of statement by inserting suitable word/words at right place. Do not delete any word in the statement The splitting of water molecules into hydrogen and hydroxyl ions is termed photolysis.

Rewrite by inserting the keyword in the space indicated " '^' " Birlh rate is the number of "'^'" birth per thousand of the population per year.

Rewrite by inserting key word in the space indicated by '^'. The phenomenone of loss of water through a cut stem or injured part of plant is called ................ .

State whether the following statements are true or false. Rewrite the false statements in their correct form Photolysis is the process of splitting of water molecules in the presence of grana and temperature.

In the presence of hydrogen ions , a zinc ion ________ reduced .

Which of the following is /are true when HCI (g) is passed through water? (i) It does not ionise in the solution as it is a covalent compound . (ii) It ionises in the solution. (iii) It gives both hydrogen and hydroxyl ion in the solution (iv) It forms hydronium ion in the solution due to the combination of hydrogen ion with water molecule.

The principal cause of hardness of water is the presence of_____ and____ions.

Rewrite and complete the following sentences by inserting the correct word in the space indicated: ......... is the phenomenon of contraction of the cytoplasm from the cell wall.

Rewrite each incorrect statement in the correct form using appropriate word/words. Hydronium ion formed from a water molecule and a hydrogen atom contains two lone pairs of electrons.