The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :
1). Zinc plating
2). Alloy formation
3). Vulcanization
4). Galvanization
2. Nitrogen in water is commonly?found in the form of :
3. The graphite rods in the nuclear reactor
4. Decane has how many hydrogen atoms?
5. Which of the following is a natural dye ?
6. When we see an object,the image formed on the retinal is
7. Natural rubber is a polymer of
8. Diamonds are glittering and attractive because light Incident on them undergoes
9. Question 7.12:Nitrogen exists as diatomic molecule and phosphorus as P4. Why?
10. Question 7.1:Why are pentahalides more covalent than trihalides?