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Chemistry: States Of Matter - The Atom
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Chemistry: States Of Matter - The Atom
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10 Questions

1. Consider the following statements with reference to the periodic table of chemical elements. [CSE (Pre) 2001. 1. Ionisation potential gradually decreases along a period. 2. In a group of elements, electron affinity decreases as the atomic weight increases. 3. In a given period, electro negativity decrease as the atomic number increases. Which of these statement(s) is/are correct?
2. Which one of the following materials is very hard and very ductile? [CSE (Pre) 2000]
3. What are rubies and sapphires chemically known as? [CSE (Pre) 2008]
4. Consider the following statements with reference to the periodic table of chemical elements. [CSE (Pre) 2001. 1. Ionisation potential gradually decreases along a period. 2. In a group of elements, electron affinity decreases as the atomic weight increases. 3. In a given period, electro negativity decrease as the atomic number increases. Which of these statement(s) is/are correct?
5. Which one of the following is another name of RDX? [CSE (Pre) 2007]
6. Which of the following is/are the example/examples of chemical change? [CSE (Pre) 2014. 1. Crystallisation of sodium chloride. 2. Melting of ice. 3. Souring of milk. Select the correct answer using the codes given below
7. In an atom, the order of filling up of the orbitals is governed by [CSE (Pre) 2001]
8. Which of the following is/are the example/examples of chemical change? [CSE (Pre) 2014. 1. Crystallisation of sodium chloride. 2. Melting of ice. 3. Souring of milk. Select the correct answer using the codes given below
9. Aluminium surface are often anodised. This means the deposition of a layer of [CSE (Pre) 2000]
10. Which one of the following materials is very hard and very ductile? [CSE (Pre) 2000]