Advertisements
Advertisements
Question
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with steam
Solution
Magnesium burns in steam with an intense white light liberating hydrogen gas and white ash, i.e. magnesium oxide.
Mg + H2O → MgO + H2
APPEARS IN
RELATED QUESTIONS
Indicate which of the following statement is true and which is false:
The hydrogen molecule is monovalent.
Complete and balance the following equation:
H2+____________→ 2HCI
Hydrogen is a good reducing agent: What do you understand by the above statement? Explain with the help of copper oxide as an example.
Define catalytic hydrogenation.
Multiple Choice Question
Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare
FILL IN THE BLANK
In nature, hydrogen occurs as a .................. molecule represented as H2
Why is hydrogen called a reducing agent? Give chemical equation to support your answer ?
Write the balanced equation and give your observation when the following metal reacts:
Sodium with cold water
Write the balanced equation and give your observation when the following metal reacts:
Calcium with cold water
Choose the correct option:
The composition of the nucleus of deuterium is
Give equations for the reactions.
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen does not support combustion.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Hydrogen sulphide is ______ to sulphur since the reaction involves ______ of hydrogen.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine acts as an ______ agent.
Write balanced equation for the following reaction:
magnesium + dil. hydrochloric acid → ___
Name a gas which burns in air or oxygen forming water.
Describe one chemical test applied to the following gases, which would enable you to distinguish between them :‘carbon monoxide and hydrogen’.
How would you obtain ‘hydrogen from sodium hydroxide’ solution other than by electrolysis?
