Ions

Q.

Write the acidic and basic radical in the salt Sodium Chloride (NaCl).

Q.

Acid radicals have negative charge and are also known as Cations.

1. True

2. False

Q.

Hydrogen Chloride is a polar covalent compound but when dissolved in water, it conducts electricity. Explain

Q.

Basic radicals have _____ charge and are also called as _____.

1. positive, anions

2. negative, anions

3. positive, cations

4. negative, cations

Q.

Write the acidic and basic radical in the salt ${\mathrm{CuSO}}_4$

Q.

Name any one hydra acid ______

Q.

Adding electrons to an atom will result in a (an)

1. Molecule

2. Cation

3. Salt

4. Anion

Q.

What will you observe when -

(iii) a drop of phenolphthalein is added to solution of lime water?

Q.

Define an acid in terms of ions.

Q.

Which among the following compound possess trivalent cation and divalent negative radical?

1. Calcium sulphide

2. Aluminum nitrate

3. Aluminum chromate

4. Cupric hydroxide

Q.

Which pair of species represent divalent polyatomic anions?

1. Nitrate, Sulfate

2. Sulfate, Manganate

3. Borate, Aluminate

4. Borate, Phosphate

Q.

Acid radicals have a negative charge and are also called ___.

1. monoatomic

2. ions

3. cations

4. anions

Q.

Universal indicator is

1. The indicator that changes its color at different iodide ion concentration

2. The indicator that shows different colors at different hydrogen ion concentrations

3. Is effective only at low hydrogen ion concentration

4. Gives the same color at different $pH$

Q.

(a) Name the process by which sodium hydroxide is prepared from sodium chloride? Why it is called so process and write down the balanced chemical equation.

(b) What will be the pH of the following salts?

1. Salt made of strong acid and strong base.
2. Salt made of strong acid and weak base.

Q.

Basic radicals have a positive charge and are also called ___.

1. Cations

2. Anions

3. Ions

4. Monoatomic

Q.

Give two examples for colourless metal ions.

Q.

Give the meaning of following:

${\mathrm{Na}}^{+}$

Q.

Radicals are always charged.

1. True
2. False

Q. ${\text{H}}^{+}$ ion comes from the ionization of which of these?

1. Acids
2. Bases
3. Either acids or bases
4. Alkalis

Q.

A gas that turns moist red litmus blue?

Q.

Write the difference between monoatomic ions and polyatomic ions with the help of examples.

Q.

Name the following: The solution that turns milky when carbon dioxide is passed through that solution.

Q.

What do you understand by basic radical?

Q. Sodium atom ___________________ to become a sodium ion.

Q.

Why are radicals unsplit in chemical reactions?

Q.

A group of atoms of elements [ion/radical/combining power]

Q.

what are the number of atoms and radicals in NH₄Cl

Q.

The positively charged and negatively charged ions are respectively known as _______ and _______.

1. Anion and Radical.

2. Radical and Cation.

3. Anion and Cation.

4. Cation and Anion.

Q.

Define the term anion.

Q.

A group of atoms of different elements functioning together as a single unit and carrying a charge -----------------------