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प्रश्न
Which of the following is a chemical change?
पर्याय
Twinkling of stars
Cooking of vegetables
Cutting of fruits
Boiling of water
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उत्तर
Cooking of vegetables
Explanation:
Cooking of vegetables is a chemical change.
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संबंधित प्रश्न
Changes in which new substances are formed are called ______ changes.
Complete and balance the following chemical equations
NaCI + `AgNO_3` `→`
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Compounds, which in their molten state allow an electric current to pass through them are called
- electrolytes
- non-electrolytes
- non-conductors
- none of these
Write balanced chemical equations for the reactions represented by word equations in the conditions for chemical reaction.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Hydrogen chloride
Explain the term ‘chemical reaction’ with special reference to – ‘reactants’ and ‘products’.
Burning of paper is the best example of ______ change.
Galvanization is a process in which ______ is coated as a layer of iron.
Chemical changes are important in our day-to-day life. Give examples.
Write a note on the following:
Fermentation
