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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
TRUE \ FALSE
Positively charged electrode is called the anode. True or false ?
Define electrolysis.
Is kerosene an electrolyte or a non-electrolyte ?
State the original colour of the following substance and colour of residue obtained after heating.
Ammonium dichromate
What do you observe when HCI is passed through a silver nitrate solution.
Give a word equation for the following reaction.
A salt which reacts with ammonium hydroxide to give a reddish brown precipitate.
When an aqueous solution of potassium chloride is added to an aqueous solution of silver nitrate, a white precipitate is formed. Give the chemical equation of this reaction.
Explain how the painting of an iron gate prevents it from rusting.
Chemical changes are important in our day-to-day life. Give examples.
When carbon dioxide is passed through lime water ______.
