An onion peel was taken and Placed in salt solution for five minutes.

An onion peel was taken and a. Placed in salt solution for five minutes. b. After that it was placed in distilled water. When seen under the microscope what would be observed in a and b?

If 0.5 amp current is passed through acidified silver nitrate solution for 10 minutes. The mass of silver deposited on cathode, is (eq. wt. of silver nitrate = 108 ).

Take a plantlet of fenugreek, groundnut or any other bean and sterilize it with a 3 to 5% solution of hydrogen peroxide. Afterwards, keep it in a 70% solution of ethyl alcohol for 4 to 5 minutes. Clean the roots with sterile water and take thin sections of the root nodules. Select good section and place it in a solution of safranin for 2 to 3 minutes. Place the stained section on a glass slide, cover it with a coverslip and observe it under the compound microscope.

An unripe mango placed in a concentrated salt solution to prepare pickle, shrivels because

How many ions per molecules are produced in the solution when Mohr's salt is dissolved in excess of water ?

When a piece of copper is placed in an aqueous solution of silver nitrate , the colour of the solution becomes blue. This is due to ________.

Explain what happens when following reactions take place and give the balanced chemical equations. Silver nitrate solution added to solution of sodium chloride.

What is the mass of copper metal produced during thepassageof 5A current through CuSO_4 solution for 100 minutes. The molar mass of Cu is 63.5g mol^(-1) .

A first order reaction was started with a decimolar solution of the reactant , 8 minutes 20 seconds later its concentration was found to be M/100. So the rate constant of the reaction is ___ .

A student added zinc strip to a solution of CuSO_4 . After several minutes, he observed that the blue colour of solution changed and a layer got deposited on zinc strip. The colour of the solution and that of the coating would respectively be ______