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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 white particles of baking soda disappear when put in lemon juice. This means that it is a ______ change.
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उत्तर
The white particles of baking soda disappear when put in lemon juice. This means that it is a chemical change.
संबंधित प्रश्न
How would you show that setting of curd is a chemical change?
Give an example of a reaction where the following are involved
Catalyst
What do you understand by precipitation reaction? Explain with examples.
Name: Two nitrates that do not produce nitrogen dioxide on heating.
Complete the table given below.
| Heat on Zinc nitrate | Colour of residue |
Limestone contains ______ mainly.
Silver metal can displace hydrogen gas from nitric acid.
Iron benches kept in lawns and gardens get____________. It is a _________ change because a new _________ is formed.
Which is used as a catalyst during the process of hydrogenation of oils?
How would you show that the settling of curd is a chemical change?
