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प्रश्न
Choose the correct option:
The composition of the nucleus of deuterium is
पर्याय
1 e- and 1P
1 P and 1 A
1 n and 1 e-
2P and 1 e-
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उत्तर
1 n and 1 e-
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संबंधित प्रश्न
Hydrogen is combustible as well as a supporter of combustion.
Complete and balance the following equation:
H2+____________→ 2HCI
State four uses of hydrogen:
Multiple Choice Question
Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare
MULTIPLE CHOICE QUESTIONS
The name hydrogen was given by
- Cavendish
- Lavoisier
- Haber
- none of these
MULTIPLE CHOICE QUESTIONS
Which is the lightest of all elements?
- hydrogen
- helium
- lithium
- none of these
FILL IN THE BLANK
In nature, hydrogen occurs as a .................. molecule represented as H2
FILL IN THE BLANK
Hydrogen is present abundantly in the ................
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:
Magnesium with steam
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine is ______ to HCl.
Give balanced equation for the following conversion:
Water gas to hydrogen – industrially.
Give reason for the following:
The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.
Give a chemical test to distinguish between the following gases:
Ammonia and hydrogen chloride
What do the following symbols [or formula] denote : 2H ; H2 ; H+. [two atoms, molecule, ion]
Complete and balance the following equations:
Al + NaOH + ____ → ____ + ____
What do the following symbols represent : 2H and H2.
