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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)
Rusting of iron is a ______ chemical change.
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उत्तर
Rusting of iron is a slow chemical change.
संबंधित प्रश्न
The chemical name of baking soda is ______.
Complete and balance the following chemical equations:
N2 + O2 →
Complete and balance the following chemical equations:
`"H"_2"S"` + `"CI"_2` `→`
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)
Oxygen is a ______ in respiration.
Explain the term reactant and product giving examples.
Give an example of the following chemical change.
Two solids combine to form a liquid
State the original colour of the following substance and colour of residue obtained after heating.
Lead nitrate
Which of the following statement is incorrect for a chemical reaction?
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
Are these changes chemical in nature?
What is thermochemical reactions?
