Advertisements
Advertisements
प्रश्न
From the list given below, select the word (s) required complete the blanks (i) to (v) in the following passage :
Note : words chosen from the list are to be used only once. Write only the answers. Do not copy the passage
[reddish brown, ammonium, nitrogen dioxide, hydroxyl, dirty green, ammonia, acidic, alkaline]
Nitrogen and hydrogen combine in the presence of a catalyst to give (i) ______ gas. When the above mentioned gas is passed through water it forms a solution which will be (ii) ______ in nature and the solution contains (iii) ______ ions and (iv) ______ ions. The above solution when added to iron (II) sulphate solution gives a (v) ______ coloured precipitate of iron (II) hydroxide.
Complete the blanks (i) to (v) in the passage given, using the following words.
[Ammonium, reddish brown, hydroxyl, nitrogen dioxide, ammonia, dirty green, alkaline, acidic].
In the presence of a catalyst nitrogen and hydrogen combine to give (i) ______ gas. When the same gas is passed through water it forms a solution, which will be (ii) ______ in nature, and will contain the ions (iii) ______ and (iv) ______. A (v) ______ coloured precipitate of iron [II] hydroxide is formed when the above solution is added to iron [II] sulphate solution.
उत्तर १
(i) Ammonia
(ii) Alkaline
(iii) Ammonium
(iv) Hydroxyl
(v) Dirty green
उत्तर २
In the presence of a catalyst nitrogen and hydrogen combine to give (i) ammonia gas. When the same gas is passed through water it forms a solution, which will be (ii) alkaline in nature, and will contain the ions (iii) ammonium and (iv) hydroxyl. A (v) Dirty green coloured precipitate of iron [II] hydroxide is formed when the above solution is added to iron [II] sulphate solution.
Notes
Students should refer to the answer according to their questions.
APPEARS IN
संबंधित प्रश्न
What do you understand by the following:
Analysis
What do you understand by the following:
Qualitative analysis
What do you understand by the following:
Reagent
Match the following :
| Column A | Column B |
| 1. A substance that turns moist starch iodide paper blue. |
A. Ammonium sulphate |
| 2. A compound which releases a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings. |
B. Lead carbonate |
| 3 . A solu tion of this compound gives a dirty green preci pi ta te with sodium hydroxide. |
C. Chlorine |
| 4 . A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride. |
D. Copper nitrate |
| 5 . A white solid which gives a yellow residue on heating. |
E. Ferrous sulphate |
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Write balanced equations for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
