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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
Complete and balance the following chemical equation:
\[\ce{Pb(NO3)2 ->[Heat]}\]
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{NH3_{(g)} + HCl_{(g)} -> NH4Cl_{(s)}}\]
Define precipitation reaction.
Give reason .
A person suffering from acidity is advised to take an antacid.
Out of sodium and sulphur which is a metal? Explain its reaction with the oxygen.
Explain by writing a word equation.
Hard water gets softened on mixing with a solution of washing soda.
Explain,giving one example of the following chemical changes:
Reversible reaction
Write your observation and a balanced equation in the case of the following substances being heated.
Copper carbonate.
The changes in which new substance with new chemical properties are formed are ______.
Rusting of iron is ______.
