Write an account of the Arrhenius equation for rates of chemical reactions.

Arrhenius equation is

Enzymes get rate of chemical reaction by

Write the balanced chemical equation for the following chemical reactions. Sodium hydroxide solution is treated with acetic acid to form sodium acetate and water.

Write the balanced chemical equation for the following chemical reactions. Ethene is burnt in the presence of oxygen to form carbon dioxide, water and releases heat and light.

Write the balanced chemical equation for the following chemical reactions : Barium chloride + Aluminium sulphate to barium sulphate and aluminium chloride.

Write the balanced chemical equation for the following chemical reactions : Sodium + water to sodium hydroxide and hydrogen.

Write the balanced chemical equations for the following chemical reactions . (i) Potassium bromide reacts with Barium iodide. (ii) Zinc carbonate is heated.

Write a balanced chemical equation for a chemical combination reaction.

Write the chemical equation involved in the following chemical reactions: (i) White washing. (ii) Black and white photography.

Which coloured fumes are obtained when lead nitrate is heated ? Write the balanced chemical equation for this reaction . Name the type of this chemical reaction .