Which way would the pH shift when CuSO4, is added to pure water? Write a net ionic equation to support your answer.

Which way would the pH shift when AlCl_(3) is added to pure water? Write a net ionic equation to support your answer.

Identify the acid and base which form sodium hydrogen carbonate. Write chemical equation in support of your answer. State whether this compound is acidic, basic or neutral. Also write its pH value.

Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.

What happens when (i) chlorobenzene is treated with Cl_(2)//FeCl_(3) (ii) ethyl chloride is treated with AgNO_(2), (iii) 2-bromopentane is treated with alcoholic KOH ? Write the chemical equations in support of your answer.

Sodium reacts with oxygen to produce sodium oxide, which dissolves in water to form sodium hydroxide. On adding hydrochloric acid to the base solution, salt and water are produced. Write balanced chemical equations to represent all the reactions stated in the question.

How does K_2[PtCl_4] gets ionized when dissolved in water? Will it form precipitate when AgNO_3 solution is added to it? Give a reason for your answer.

The figure below represents an experiment set-up to study a physiological process in plants What would happen to the rate of bubbling of the as it a pinch of sodium bicarbonato is added to the water in the beaker ? Explain your answer

What did Meselson and Stahl observe when They cultured E. coli in a medium containing ""^15Nh_4CL for a few generations and centrifuged the content? they transferred one such bacterium to the normal medium of NH_4Cl and cultured for 2 genretion ? What did Meselson and Stahl conclude from this experiment? Explain With the help of diagram Which is the first geretic material? Give reasons in support of your answer.

Can we store : (i) Copper sulfate solution in zinc vessel ? (ii) FeSO_(4) solution in silver vessel ? (iii) Copper sulfate solution in iron vessel? (iv) 1 M CuSO_(4) solution in Ni container ? Give suitable explanation in support of your answer.

The following diagram demonstrates a physiological process taking place in green plants. The whole set up was placed in bright sunlight for several hours. Study the diagram and answer the questions that follow: What would happen to the rate of bubbling of the gan if a pinch of sodiam bicarbonate is added to the water in the beaker? Explain your answer