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प्रश्न
Classify the following as physical or chemical properties
Most metal oxides form alkalis on interacting with water.
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उत्तर
Chemical property
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संबंधित प्रश्न
Complete and balance the following chemical equation:
\[\ce{Pb(NO3)2 ->[Heat]}\]
FILL IN THE BLANK
Positively charged ions are called ........
Fill in the blank:
During a chemical reaction transfer of ________ takes place.
Complete and balance the following reaction:
\[\ce{Pb(NO3)2 ->[\Delta]}\]
Give examples of exothermic reactions i.e. heat evolved in each of the following:
(a) reaction between a solid and a liquid
(b) reaction between two gases
Give two examples of exothermic reactions seen in everyday life.
Explain the Silver nitrate solution is kept in coloured reagent bottles in the laboratory.
When an aqueous solution of potassium chloride is added to an aqueous solution of silver nitrate, a white precipitate is formed. Give the chemical equation of this reaction.
The simplest method of preventing rusting of iron is to coat it with oil, grease, or paint. The reason being ______.
Write the equation for the process of formation of rust.
Give an example where heat, light, and sound are produced during a chemical change.
