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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)
A colourless solution of calcium hydroxide in a test tube turns ______ on blowing in it through a blow tube for some time.
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उत्तर
A colourless solution of calcium hydroxide in a test tube turns milky on blowing in it through a blow tube for some time.
संबंधित प्रश्न
Copper carbonate when heated, it turns :
Explain the following reaction with one suitable example of Decomposition reaction
Explain by writing a word equation.
Limestone powder disappears on adding to dilute hydrochloric acids.
Give an example of a reaction where the following are involved
Heat
NPK are the primary nutrients for plants.
Discuss how acid rain occurs due to emission of smoke from vehicles and industries?
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?
How would you show that the settling of curd is a chemical change?
Write the characteristics of chemical change.
What is thermochemical reactions?
