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प्रश्न
Hydrogen burns with a ______ flame and ______ sound is heard.
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उत्तर
Hydrogen burns with a pale blue flame and pop sound is heard.
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संबंधित प्रश्न
A shiny brown-coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black-colored compound formed.
Define corrosion.
What are anti-oxidants? Why are they added to fat and oil containing foods?
Define redox reaction.
State a reason why, when hydrogen is passed over heated copper oxide, the resultant product formed, differs in colour from the original reactant.
Explain the term reduction in term of addition and removal of oxygen/hydrogen with a suitable example.
What are reducing agents? Give examples.
What is rancidity?
Identify the type of chemical reaction given below:
\[\ce{2Mg + O2 -> 2MgO}\]
