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The Eighteenth amendment received the assent of the president on April 19,_________ .
A. 2007
C. 2008
C. 2009
D. 2010
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Tendency of a metal to lose Electron is called:
A. Electronegativity
B. Electropositivity
C. Electroplating
D. Electrolysis
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The halogen present in the solid form is:
A. Chlorine
B. Fluorine
C. Iodine
D. Bromine
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Among the alkali metals , the metal with the highest ionization potential is:
A. Na
B. Li
C. Rb
D. Cs
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Alkali metals are:
A. Oxidising agents
B. Dehydrating agents
C. Reducing agents
D. All the above
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Halogens react with metals to form:
A. Halides
B. Oxides
C. Halogens sulphides
D. None of these
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The oxide of calcium CaO is:
A. Acidic
B. Basic
C. Amphoteric
D. Neutral
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