1 - periodic table? (I) All element in group 7A are...

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Click to edit Master subtitle style 2/21/11 (I) R’OOR is general formula of ester. (II) Functional group of aldehydes and ketones is carbonyl group. (III) HCOOH has hydroxyl as functional group. Ester & R’COOR -C- Carbonyl group I I O -COOH is carboxyl group.
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2/21/11 Which of the following pair(s) do not form precipitate? (I) AgNO3 + NaOH (II) PbCO3 + HI (III) CuSO4 + H2S ¨ AgOH(s) + Na+ NO3- ¨ PbI2(s) + H+ + CO32- ¨ CuS (s) + H+ + SO42-
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2/21/11 (I) The hardness of diamond is 10 Mohr. (II) Graphite can conduct electricity in the same layer. (III) Bucky ball is used in transporting drug. Which of the followings are true?
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2/21/11 Arrange these ions by increasing ionic radius (smallest first). Ag+, Ba2+ , Ca2+, Cl- , Na+, O2-,
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2/21/11 Which of the followings are true about the
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Unformatted text preview: periodic table? (I) All element in group 7A are non-metal. (I) B, Si, Ge, As, Sb are metaloid. (I) Group IIA is also called alkaline metal. 2/21/11 (I) Electrolyte is substance which is dissolved in water then its solution can conduct electricity. (II) Only strong acids and strong bases are strong Electrolyte. (III) Glucose, ethanol and oil are non-electrolyte. How many statements are true? 2/21/11 Which of the following are true about carbons allotropes? (I) Carbon atoms in diamond arrange in tetrahedral network which make it the hardest material. (II) Formula of buckminsterfullerene is C50. (II) Carbon structure in nanotube is similar to graphite....
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1 - periodic table? (I) All element in group 7A are...

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