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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
FILL IN THE BLANK
The new substances formed during a chemical reaction are called the ..................
Differentiate between in Chemical reaction and chemical equation.
Write true or false :
Hydrogen sulphide has rotten egg smell .
Write true or false .
A black residue is formed when sugar is heated .
What is the reaction called when oxidation and reduction take place simultaneously? Explain with one example.
Give an example of a reaction where the following are involved
Catalyst
Define an electrochemical reaction.
Name: A greenish-yellow gas.
State the original colour of the following substance and colour of residue obtained after heating.
Copper carbonate
Select the correct answer for the following options:
The pale blue precipitated obtained when copper [II] sulphate reacts with sodium hydroxide.
