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प्रश्न
Fill in the blank:
The substances formed as a result of a chemical reaction are called _______
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उत्तर
The substances formed as a result of a chemical reaction are called products .
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संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Formation of manure from leaves is a physical change.
When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain.
Give a reason.
Wasp sting is treated with vinegar.
Fill in the blank:
The basic conditions necessary for a chemical reaction is _______
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Water
Choose the correct option from the bracket and explain the statement giving reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition)
The conversion of ferrous sulphate to ferric sulphate is ______ reaction.
What is a chemical change? Give two examples of chemical change?
What do you observe? When
Barium chloride is added to sodium sulphate solution
Give a chemical test to distinguish between the following gases.
CO2 and SO2
Distinguish by dilute sulphuric acid.
Sodium Sulphite and sodium carbonate?
Give reason for the following:
Electrolytic decomposition of water is a reaction involving change of state.
What is a chemical reaction?
State whether the following reaction is oxidation or reduction.
\[\ce{Na->Na+}\]
Discuss how acid rain occurs due to emission of smoke from vehicles and industries?
Chemical change is a temporary change.
Chemists identify gypsum as a natural indicator.
The water we drink is a combination of hydrogen and oxygen.
Iron benches kept in lawns and gardens get____________. It is a _________ change because a new _________ is formed.
Iron and rust are the same substances.
How would you show that the settling of curd is a chemical change?
