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प्रश्न
Choose the correct answer from the options given below :
Metal + alkali → salt + _________
विकल्प
N2
H2
H2O
OH
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उत्तर
Metal + alkali → salt + H2
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संबंधित प्रश्न
Name two colourless metal ions.
Name two bases which are not alkalis but dissolves in strong alkalis.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : FeCl3
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : Pb(NO3)2
Name: A metallic oxide soluble in excess of caustic soda solution.
Name: Two coloured ions
Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide to give an inky blue solution. Name the cation present in solution B. What is the probable colour of solution B?
Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
