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CHEM0804010
Which elements can form coloured salt (not white)?
CHEM0804020
P oxide is brown when hot and yellow when cold. What is P?
CHEM0804030
Zinc oxide shows different colour when it is hot and cold. Which of the following is correct about the colour?
CHEM0804040
A student added some salt into distilled water. He found that the salt dissolves into the water and produce a colourless solution. The salt might be
CHEM0804050
Which of the following is correct about the colour of the solution of the given salt?
CHEM0804060
Which of the following salts are insoluble in water?
CHEM0804070
Which of the following salts are insoluble in water?
CHEM0804080
Which of the following carbonates are soluble in water?
CHEM0804090
Which of the following oxide is black in colour?
CHEM0804100
What is the colour of solid copper(II) carbonate?