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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
How do the following help in bringing about a chemical change?
heat.
How is a strong electrolyte different from a weak electrolyte?
Give an example of a reaction where the following are involved
Pressure
Name: A brown gas
What do you observe when Cl2 is passed through potassium iodide (KI) solution.
Complete the table given below.
| Heat on sodium chloride | Colour imparted to flame during flame test |
The changes in which new substance with new chemical properties are formed are ______.
Two chemical species X and Y combine together to form a product P which contains both X and Y
\[\ce{X + Y -> P}\]
X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following concerning the species X, Y and P are correct?
(i) P is a compound
(ii) X and Y are compounds
(iii) X and Y are elements
(iv) P has a fixed composition
Write a note on the catalyst.
______ is a chemical substance is used in whitewashing.
