Advertisements
Advertisements
प्रश्न
Choose terms from the options given in brackets to complete this sentence.
A metal …………….. hydrogen in the activity series gives hydrogen with …………… acid or …………… acid.
(above, below, dilute hydrochloric, concentrated hydrochloric, dilute sulphuric).
Advertisements
उत्तर
A metal above hydrogen in the activity series gives hydrogen with dilute hydrochloric acid or dilute sulphuric acid.
APPEARS IN
संबंधित प्रश्न
Give reason for the following:
A pop sound produced when hydrogen is burnt?
Give a balanced chemical equation for the reaction.
FILL IN THE BLANK
The compounds of carbon and hydrogen are called .................
FILL IN THE BLANK
Ammonia is used to make ................
Write the balanced equation and give your observation when the following metal reacts:
Calcium with cold water
Give the balanced equation of the reaction.
Choose the correct option:
The composition of the nucleus of deuterium is
Give equations for the reactions.
How is hydrogen separated from carbon dioxide and carbon monoxide?
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen is a combustible gas.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine acts as an ______ agent.
Give balanced equation for the following conversion:
Nitrogen to a basic gas – using hydrogen.
Match the statements in List I with the appropriate answer in List II.
| List I | List II |
| 1. An atom of hydrogen | A: Chromic oxide |
| 2. A strong oxidising agent | B: Ammonia |
| 3. A promoter used in Bosch process | C: Iron |
| 4. A chemical used in the manufavture of fertilizers | D: One electron |
| 5. The catalyst used in production of a basic gas from nitrogen. | E: Dilute nitric acid |
Give a chemical test to distinguish between the following gases:
Hydrogen and oxygen
How can you obtain hydrogen from sodium hydroxide [not by electrolysis].
What do you observe when a piece of sodium is dropped into cold water?
How would you obtain ‘hydrogen from sodium hydroxide’ solution other than by electrolysis?
Give balanced equation for obtaining hydrogen from cold water using a monovalent active metal.
Select the correct answer from the symbol in the bracket.
The element, which like hydrogen has one valence electron.
