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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
Explain by writing a word equation.
Hard water gets softened on mixing with a solution of washing soda.
When electric current is passed through acidulated water ______ of water takes place.
State the conditions necessary for a chemical change or reaction.
Give a word equation for the following reaction.
Two gases which combine to give a solid.
Complete the table given below.
| Addition of dil. H2SO4 to FeS | Odour of gas evolved |
Give a balanced equation for the conversion of a soluble lead salt to an insoluble lead salt – formed as a white precipitate.
What happens when cane sugar is strongly heated? Mention any two changes in it.
A chemical change may involve –
How would you show that the settling of curd is a chemical change?
Write the effects of chemical reactions.
