Practical Work — Chemistry STD 10 — Question

State the colour change when ammonium dichromate is heated.

Arrange the following as per instruction given in the bracket. Cs, Na, Li, K, Rb (increasing metallic character) 

Name the probable cations present based on the following observations :
blue coloured solution

Correct the statement, if required
Under the same conditions of temperature and pressure, equal volumes of all gases contain the same number of atoms.

The element which has the largest atomic size amongst elements of group 1, 2 and 13.

What is liquor ammonia fortis?

Which of the following weighs the least?
7g silver

Name the acid formed when sulphur dioxide dissolves in water.

Explain the term : Anode mud

A compound 'X' consists of 4.8% of C and 95.2% of Br by mass. 
Name the type of chemical reaction by which X can be prepared from ethane.