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प्रश्न
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.
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उत्तर
The spoiling of food is a chemical change which is recognized from the generation of certain smell due to it.
संबंधित प्रश्न
FILL IN THE BLANK
The new substances formed during a chemical reaction are called the ..................
Explain the type of reactions on the basis of the direction of reaction.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
What do you observe when Cl2 is passed through potassium iodide (KI) solution.
Give a word equation for the following reaction.
Two solids which combine on heating, to give a liquid.
Give two examples where a chemical reaction is accompanied by a change in colour of the reactants and products on completion of the reaction.
The chemical change is ______.
What is the role of a catalyst in a chemical reaction?
If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.
Can you change rust back into iron by some simple method?
Write the characteristics of chemical change.
