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प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Formation of manure from leaves is a physical change.
पर्याय
True
False
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उत्तर
This statement is False.
Explanation:
The formation of manure from leaves is a chemical change.
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संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron pipes coated with zinc do not get rusted easily.
State the conditions necessary for a chemical change or reaction.
Name: A brown gas
Distinguish by heating the following in dry test tubs.
Zinc nitrate and copper nitrate.
State the following reaction represent oxidation or reduction.
\[\ce{Cu++->Cu}\]
Differentiate between the following:
Neutralization reaction and a precipitation reaction.
When lithium metal is placed in hydrochloric acid, _______ gas is evolved.
Silver articles turning black: ______:: Boiling of H2O: physical change ______.
______ is a natural indicator.
If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.
Do you think formation of rust from iron is a chemical change?
