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प्रश्न
Match the compounds in List I – 1 to 20 with their correct formulas from in List II-A to T.
| List I | List II | ||
| 1 | Hydrochloric acid | A | NaCI |
| 2 | Potassium Hydroxide | B | NaOH |
| 3 | Sulphuric Acid | C | KCI |
| 4 | Zinc Hydroxide | D | Ca(OH)2 |
| 5 | Sodium Chloride | E | CaS |
| 6 | Nitric Acid | F | CuSO4 |
| 7 | Calcium Hydroxide | G | CaCO3 |
| 8 | Carbonic Acid | H | NH4CI |
| 9 | Sodium hydroxide | I | HCI |
| 10 | Copper sulphate | J | ZnO |
| 11 | Potassium Chloride | K | HNO3 |
| 12 | Calcium Carbonate | L | H2CO3 |
| 13 | Magnesium Sulphide | M | MgS |
| 14 | Zinc Sulphate | N | MgO |
| 15 | aluminium Hydroxide | O | KOH |
| 16 | Sodium Carbonate | P | ZnSO4 |
| 17 | Calcium Sulphide | Q | Na2CO3 |
| 18 | Magnesium Oxide | R | H2SO4 |
| 19 | Zinc Oxide | S | AI(OH)3 |
| 20 | Ammonium Chloride | T | Zn(OH)2 |
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उत्तर
| List I | List II | ||
| 1 | Hydrochloric acid | I | HCI |
| 2 | Potassium Hydroxide | O | KOH |
| 3 | Sulphuric Acid | R | H2SO4 |
| 4 | Zinc Hydroxide | T | Zn(OH)2 |
| 5 | Sodium Chloride | A |
NaCI |
| 6 | Nitric Acid | K | HNO3 |
| 7 | Calcium Hydroxide | D | Ca(OH)2 |
| 8 | Carbonic Acid | L | H2CO3 |
| 9 | Sodium hydroxide | B | NaOH |
| 10 | Copper sulphate | F | CuSO4 |
| 11 | Potassium Chloride | C | KCI |
| 12 | Calcium Carbonate | G | CaCO3 |
| 13 | Magnesium Sulphide | M | MgS |
| 14 | Zinc Sulphate | P | ZnSO4 |
| 15 | aluminium Hydroxide | S | AI(OH)3 |
| 16 | Sodium Carbonate | Q | Na2CO3 |
| 17 | Calcium Sulphide | E | CaS |
| 18 | Magnesium Oxide | N | MgO |
| 19 | Zinc Oxide | J | ZnO |
| 20 | Ammonium Chloride | H | NH4CI |
संबंधित प्रश्न
Write true or false
All pure substances have characteristic melting and boiling points.
What is the difference between a pure substance and a mixture ?
Correct the following statement:
CO and Co both represents cobalt.
Give two applications of chromatography.
Give reason: A frying pan is made up of steel but its handle is made up of wood.
Give reason: Argon is filled in electric bulbs.
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt, and O; the element which is metallic is ____, an inert element is ____, forms a triatomic molecule is ____, is liquid at room temperature is_ ___.
Select the correct answer from the choice given below.
The negatively charged particles in an atom
Who are my companions?
| Group 'A' | Group 'B' |
| 1. Stainless steel | (a) Non-metal |
| 2. Silver | (b) compound |
| 3. Bhajani mixture for milling | (c) Mixture |
| 4. Salt | (d) Element |
| 5. Coal | (e) Alloy |
| 6. Hydrogen | (f) Metal |
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
