Sodium vapour lamps glow with yellow colour. This is due to -

Related MCQs

• Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps?
• The green colour seen in firework displays is due to the chloride salt of–
• Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid?
• Commercially, sodium bicarbonate is known as –
• What product is formed when electricity is passed throughan aqueous solution of sodium chloride?
• Sodium bicarbonate is commercially known as –
• Sodium calcium silicate is called.
• Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of –
• The acid which fails to liberate carbon dioxide from sodium bicarbonate is :
• The common name of sodium bicarbonate is -