The experiments conducted by two students are given below.
Experiment 1: 2mL of sodium thiosulphate solution is taken in a test tube, heated and to it 2 mL of HCl solution is added.
Experiment 2: 2 mL of sodium thiosulphate solution is taken in a test tube and to it 2 mL of HCl solution is added.
Write the balanced equation for the reaction.

The experiments conducted by two students are given below. Experiment 1: 2mL of sodium thiosulphate solution is taken in a test tube, heated and to it 2 mL of HCl solution is added. Experiment 2: 2 mL of sodium thiosulphate solution is taken in a test tube and to it 2 mL of HCl solution is added. In which experiment is the precipitate formed quickly ? justify your answer.

5ml AgNO_3 is taken in a test tube and a co-pper rod is dipped in ti: Write the equations of the oxidation and reduction reactions.

10 mL of 2(M) NaOH solution is added to 200 mL of 0.5 (M) of NaOH solution. What is the final concentration of the resultant solution?

5ml AgNO_3 is taken in a test tube and a co-pper rod is dipped in ti: Complete the equation of the reaction. Cu+2AgNO_3 rarr ………………….+………………..

Write down the observation in the table given below, when 1mL Barium chlo-ride solution is added to the solutions given in the table.

Zinc piece and zinc powder are taken in two test tubes and equal amount of dil. HCl is added. In which test tube does the reaction proceed faster?

5ml AgNO_3 is taken in a test tube and a co-pper rod is dipped in ti: Identify the changes occuring with the copper rod and the solution?

How much water should be added to '300 mL' of 0.5 M NaOH solution so as fo prepare a solution of 0.2 M?