|1. The most commonly used substance in fluorescent tubes are –
1. Sodium Oxide and Argon
|2. The chemical name of limestone is?
1. Calcium Carbonate
|3. Monazite is an ore of-
|4. Radioactivity is measured by-
|5. Process of solid camphor into camphor vapour is called-
|6. Which one of the following is liquid at ordinary temperature?
|7. Which one of the following liquids is very good conductor of heat?
|8. Match List-I with List-II and select the correct answer using the codes given below the lists:
|9. What is the reaction between an acid and a base called?
|10. Which among the following metal is used for galvanization?