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प्रश्न
Give a chemical test to distinguish between the following gases.
SO2 and Cl2
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उत्तर
| Sulphur dioxide | Chlorine. |
| Colour of gas: The gas is colourless. | Colour of gas: The gas is greenish-yellow. |
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संबंधित प्रश्न
Define precipitation reaction.
Define chemical reaction.
Explain the following reaction with one suitable example of Decomposition reaction
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
The spoiling of food is a chemical change which is recognized from the generation of certain ______ due to it.
Give an example of a reaction where the following are involved
Heat
Give an example of the following chemical changes.
A reaction involving
(i) Change of state
(ii) formation of precipitate
Give balanced equation for the following conversion affected by heat alone on the substance:
Zinc carbonate to zinc oxide
State the following reaction represent oxidation or reduction.
\[\ce{Cu++->Cu}\]
Analogy:
H2O: Water:: NaCl: ______.
Magnesium + oxygen → magnesium oxide.
2Mg + O2 → 2Mg O
