Advertisements
Advertisements
प्रश्न
Why the alkali is added drop by drop to the salt solution?
Advertisements
उत्तर
If an alkali is added too quickly, then it is easy to miss a precipitate which redissolves in excess alkali.
संबंधित प्रश्न
A compound X (having the vinegar-like smell) when treated with ethanol in the presence of the acid Z, gives a compound Y which has a fruity smell.
The reaction is:
1) Identify Y and Z.
2) Write the structural formula of X.
3) Name the above reaction.
Name two bases which are not alkalis but dissolves in strong alkalis.
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
Name: A metallic oxide soluble in excess of caustic soda solution.
Name: A strong alkali
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solution.
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 Metal that Evolves a Gas Which Burns with a Pop Sound When Boiled with Alkali Solutions.
