Question

.A student took solid lead nitrate and heated in a test tube. (i) State the type of sound heard. (ii) What are the gases liberated ? (iii) Name the coloured gas? (iv) What is the colour of the gas ?

Answer 1

Answer:

i) A loud sound about 1000 Hz is heard.

ii) Oxygen and nitrogen dioxide are released.

iii) Nitrogen dioxide is tge coloured gas.

iv) Nitrogen dioxide has the color is brown fumes.