What is the most commonly used substance in fluorescent tubes?

Related MCQs

• The substance most commonly used as a food preservative is –
• This substance is commonly known as alcohol and is also used in medicines such as tincture iodine, cough syrups, and many tonics. This is -
• The coloured discharge tubes for advertisement mainly contain -
• The chemicals most commonly used for cloud seeding or artificial rainmaking' is/are
• The most commonly used chemicals in the artificial rainmaking or cloud seeding are
• Most commonly used bleaching agent is –
• A polymeric substance used to make parachute is –
• Substance used as an anti-freeze in radiators of automobiles is :
• This substance is sweet-smelling and is used in making perfumes and flavouring agents. It is called-
• The substance that is added to make natural rubber strong and more bouncy is –