Advertisements
Advertisements
प्रश्न
Match the statements – 1 to 10 below with their correct answers from – A to J.
| Column I | Column II |
| 1. Elements having valency of two. | A: Br1− |
| 2. An anion | B: Divalent |
| 3. A gaseous non-metal | C: Reactants |
| 4. A cation. | D: Ammonium |
| 5. The term used for the substances which take part in the chemical reaction | E: Nitric oxide |
| 6. The meaning of the symbol ‘Δ’ over the arrow in a chemical equation. | F: Nitrogen |
| 7. The chemical name for nitrogen monoxide. | G: Zero |
| 8. A radical containing nitrogen and hydrogen only | H: Nitrous oxide |
| 9. The chemical name for dinitrogen oxide | I: Heat required |
| 10. The valency of noble gases | J: K1+ |
Advertisements
उत्तर
| Column I | Column II |
| 1. Elements having valency of two. | B: Divalent |
| 2. An anion | A: Br1− |
| 3. A gaseous non-metal | F: Nitrogen |
| 4. A cation. | J: K1+ |
| 5. The term used for the substances which take part in the chemical reaction | C: Reactants |
| 6. The meaning of the symbol ‘Δ’ over the arrow in a chemical equation. | I: Heat required |
| 7. The chemical name for nitrogen monoxide. | E: Nitric oxide |
| 8. A radical containing nitrogen and hydrogen only | D: Ammonium |
| 9. The chemical name for dinitrogen oxide | H: Nitrous oxide |
| 10. The valency of noble gases | G: Zero |
APPEARS IN
संबंधित प्रश्न
Write the molecular formulae for the following compounds and name the elements present of Nitric acid.
The valency of aluminium is 3. Write the valency of other radicals present in the following compound.
Aluminium chloride
Copper having electronic configuration 2,8,18,1 exhibits variable valency. Give a reason for the same and name the compound CuCI and CuCl2.
Explain the term ‘symbol’.
With reference to water and ammonia as compounds respectively, state the valency of oxygen and nitrogen.
Write the chemical formula of the following compound in a step-by-step manner –
Potassium nitrate
Write the chemical formula of the following compound in a step-by-step manner –
Zinc hydroxide
Write the chemical formula of the following compound in a step-by-step manner –
Potassium dichromate
Complete the statement given below by filling in the blank with the correct word.
The formula of silver [I] chloride is ________.
Complete the statement given below by filling in the blanks with the correct words.
The valency of iron in FeO is _______ of chlorine [chloride] in CaCl2 is ________ and of dichromate in K2 Cr2 O7 is ________.
