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प्रश्न
Give word equation for the reaction of metal is:
calcium
उत्तर
calcium + Oxygen → Calcium oxide
\[\ce{Ca + O2 -> 2CaO}\]
[burning]
Flame colour: Brick yellow
Litmus test: Moist red to blue
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संबंधित प्रश्न
What are oxides ?
Give two examples of metallic oxides.
Complete and balance the following chemical equation.
\[\ce{KClO3 ->[heat] ?? + O2}\]
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Classify Copper oxide. Also give a balanced equation to prepare it.
Classify Sulphur dioxide. Also give a balanced equation to prepare it.
How will you prove that oxide formed by sulphur is acidic in nature?
Give a reason why oiling or greasing is done on the exposed moving iron parts of machinery and not preferred on heavy stationary iron parts.
State why galvanization, tinning and chromeplating are used as three different processes for coating specific articles for prevention of rusting.
State a specific reason for using zinc in galvanizing
State a specific reason for using lead in bullets
Give reason for the following:
Galvanized steel is not used for articles used for edible applications.
Give word equation for the reaction of Non-metal:
Sulphur
Give word equation for the reaction of metal is:
sodium
Name the following:
The chemical name of rust.
