Chemistry
(Choose the correct word to fill in blank)
Cations are formed by …………… (loss/gain) of electrons and anions are formed by …………… (loss/gain) of electrons.
Related Questions
Assertion (A): Polar covalent compounds can form ions when dissolved in water.
Reason (R): Electrovalent compounds show dissociation.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): A block of pure silver metal is used as anode during silver plating.
Reason (R): Silver ions are deposited as metal at the anode.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Match the following in column A with the correct answer from the choices given in column B.
Column A Column B 1. Ammonium hydroxide soln. Contains only ions. 2. Dilute hydrochloric acid Contains only molecules 3. Carbon tetrachloride Contains ions and molecules Name the kind of particles present in:
(i) Sodium hydroxide soln.
(ii) Carbonic acid.
(iii) Sugar soln.