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प्रश्न
Name a white, insoluble oxide that dissolves when fused with caustic soda or caustic potash.
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उत्तर
Al oxide
संबंधित प्रश्न
You are provided with two reagent bottles marked A and B. One of which contains NH4OH solution and the other contains NaOH solution. How will you identify them by a chemical test?
What do you understand by the following:
Analysis
What do you understand by the following:
Qualitative analysis
Z is a compound. With dilute HCl it gives a gas turning dichromatic solution green. Z gives lilac flame. Name Z.
Identify the substance ‘R’ based on the information given below:
The pale green solid ‘R’ turns reddish brown on heating. Its aqueous solution gives a white precipitate with barium chloride solution. The precipitate is insoluble in mineral acids.
Fill in the blank.
Potassium sulphite on reacting with hydrochloric acid releases ________
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equation :
Copper sulphate solution with ammonium hydroxide solution.
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.
