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प्रश्न
Complete and balance the following chemical equations
Na + H2 O →
उत्तर
\[\ce{Na + H2O→2NaOH + H2↑}\]
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संबंधित प्रश्न
The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder, it exists as a liquid. When it comes out from the cylinder it becomes a gas (Change − A), then it burns (Change − B). The following statements pertain to these changes. Choose the correct one.
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pressure.
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Tick the most appropriate answer.
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MULTIPLE CHOICE QUESTIONS
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TRUE \ FALSE
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State the gaseous product formed, when
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______ gas causes tears in our eyes while cutting onions.
Higher order Thinking question
Peeled and unpeeled banana does not look the same. Does that mean peeling banana is a chemical change?
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A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
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______ are substances that speed up the process of a chemical change and it will not undergo any change during the course of the reaction.
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