Zinc piece and zinc powder are taken in two test tubes and equal amount of dil. HCl is added.
Give an instance from daily life, where such condition is made use.

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?

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.

Two bottles containing C_6 H_5 I and C_6 H_5 CH_2 I lost their original labels.They were labelled as A and B for testing A and B were separately taken in test tubes and boiled with Na OH solution. The solution in each tube was made acidic with dilute HNO_3 and some AgNO_3 solution was added .Substance B gave a yellow precipitate. Which of the following statements is true for this experiment : Addition of HNO_3 was unnecessary, A was C_6 H_5 I , A was C_6 H_5 CH_2 I , B was C_6 H_5 I

In a tube of length 5m having two identical holes at the opposite ends. H_(2) and O_(2) are made to effuse into tube from opposite ends under identical conditions. Find the point where gases will meet for the first time

Your are supplied with the following substances: copper rod, Zinc rod, Salt bridge, two glass beakers, a piece of wire, 1M, CuSO_4 solution, 1 M ZnSO_4 solution Represent the cell made using the above materials.