Q.1.
If dilute nitric acid and silver nitrate are added to an unknown solution and a cream precipitate appears, we can tell that the ions that are present are...
Q.2.
Flame tests can be used to identify metals in groups 1 and 2 of the Periodic Table. Which metal burns with an intense yellow/orange flame?
Q.3.
Which of the following ions dissolves in excess sodium hydroxide solution?
Q.4.
The copper oxide that is produced when copper carbonate is heated is what colour?
Q.5.
If ammonia gas is produced when sodium hydroxide is added to an unknown solution, what ions were present in the unknown solution?
Q.6.
A positive test for nitrate ions would give which of the following observations?
Q.7.
Some metal ions form coloured precipitates with sodium hydroxide. Which metal ion forms a light blue precipitate when reacted with sodium hydroxide?
Q.8.
What is used to identify an unsaturated compound?
Q.9.
How do we test for sulfate ions?
Q.10.
If iodine solution is added to ethane, what observation would be made?