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प्रश्न
Select the correct answer from the options given below:
State the gaseous product formed, when
An active metal reacts with dilute sulphuric acid.
पर्याय
Ammonia
Hydrogen chloride
Hydrogen
Nitrogen dioxide
Nitric oxide
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उत्तर
Hydrogen
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संबंधित प्रश्न
What are oxides ?
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Which one of the following alters the rate of the chemical reaction without itself undergoing any change?
- temperature and Pressure
- concentration of reactants
- presence of catalyst
- none of these
What are homogenous reactions ?
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)
Chlorine (Cl2) molecule is formed by ______ of electrons between two chlorine atoms.
Define a photochemical reaction.
Write the chemical reaction where the following changes are observed.
Gas is evolved
Select the correct answer for the following options:
The basic gas obtained when two gases react in presence of a catalyst and the reaction is exothermic.
Give reason for the following:
Electrolytic decomposition of water is a reaction involving change of state.
Write some materials prepared by chemical changes.
______ are substances that speed up the process of a chemical change and it will not undergo any change during the course of the reaction.
