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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)
Oxygen is a ______ in respiration.
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उत्तर
Oxygen is a reactant in respiration.
संबंधित प्रश्न
Give an example of the following chemical change.
Two gases combine to form white solid
State the original colour of the following substance and colour of residue obtained after heating.
Ammonium dichromate
State the following reaction represent oxidation or reduction.
\[\ce{Cl- ->Cl}\]
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Copper nitrate.
Rusting of Iron: undesirable change:: Dead plants turn into manure: ______.
State whether the following statement is true or false:
When a candle burns, both physical and chemical changes take place.
Beating an egg to make a cake is a ______.
Chemical changes are important in our day-to-day life. Give examples.
When carbon dioxide is passed through lime water ______.
What is the difference between reactants and products?
