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प्रश्न
Hydrogen burns with a ______ flame and ______ sound is heard.
उत्तर
Hydrogen burns with a pale blue flame and pop sound is heard.
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संबंधित प्रश्न
Give one example of an oxidation-reduction reaction which is also a combination reaction.
Describe briefly the ionic concept of oxidation and reduction. Give an equation to illustrate.
State whether the following conversion is oxidation or reduction:
Cu2+ + 2 e-→ Cu
Choose terms from the options given in brackets to complete this sentence.
When CuO reacts with hydrogen,………………… is reduced and ……………….is oxidized to ………………….
(CuO, H2, Cu, H2O)
Name:
an oxidizing agent that does not contain oxygen.
Explain the term reduction in term of addition and removal of oxygen/hydrogen with a suitable example.
Which among the following are physical or chemical change?
Curding of milk
What is rancidity?
Find the oxidation number of the element in the following compound.
Mg in MgO
Find the oxidation number of the element in the following compound.
A1 in AlCl3
