Q. State the main aspects in the concept of planning?

Q. Zinc sulphate forms a colourless solution in water. Will you observe any colour change on adding Copper turning in it?

Q. What is the molecular formula of the following compound ? Hydrochloric acid

Q. Define the term ‘government’.

Q. Define the following terms Secondary batteries .

Q. What are the major means of transport? Explain each of them.

Q. Wind Energy is an example of Non – renewable energy sources.True = 1 and False = 0.

Q. Plastids having coloured pigments are known as …………..

Q. Explain following terms.(i) Hydrogen economy(ii) Hydrogenation(iii) Syngas(iv) Water – gas shift reaction (v) Fuel – cell

Q. Write the symptoms when following organs are targeted by microbes. a) Lungs b) Liver c) Brain