Question
How will you distinguish between copper carbonate and copper nitrate by heating alone?
✓
Answer
The precipitate turns white on cooling. Carbon dioxide can be detected by formation of white precipitate in lime water. Copper carbonate on dry heating yields two products namely, copper oxide and carbon dioxide. Copper nitrate is blue in color, which turns into black color of copper oxide
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Elements X, Y and Z have atomic numbers 6,9 and 12 respectively. Which one:
Forms an onion
Forms a cation
Has four electrons in its valence shell?
Forms an onion
Forms a cation
Has four electrons in its valence shell?
An atom of an element has two electrons in the M shell.
What is the (a) atomic number (b) number of protons in this element?
What is the (a) atomic number (b) number of protons in this element?
Water exists in all three states. Discuss.
What do you understand by 'chemical reaction'?
Briefly state problems created by the acid rain.
What are hydrous substances? Explain with examples.
Give the orbital diagram of the following:
Hydrogen chloride
Explain what you understand from the following diagram:
Explain oxidation and reduction in terms of loss or gain of electrons.
An element A has 1 electron in its first shell. It combines with element B having 7 electrons in its third shell. What type of bond is formed?