Chemistry
Write a balanced equation for the preparation of each of the following salts :
(i) Copper [II] sulphate from copper carbonate
(ii) Zinc carbonate from zinc sulphate
Related Questions
Fill in the blank with the correct choice given in the bracket —
The salt prepared by the method of direct combination is …………… [iron [II] chloride / iron [III] chloride]Three solutions P, Q, and R have pH value of 3.5, 5.2 and 12.2 respectively. State which one of these is a:
(i) weak acid
(ii) strong alkali
Give the appropriate term defined by the statement given :
The substance that releases hydronium ion as the only positive ion when dissolved in water.The pH values of three solutions A, B, C are given .
Solution A : pH value 12
Solution B : pH value 2
Solution C : pH value 7
Answer the following questions :
(i) Which solution will have no effect on litmus solution.
(ii) Which solution will liberate CO2 when reacted with sodium carbonate.
(iii) Which solution will turn red litmus solution blue.