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What is the molecular mass of NaOH?
A. 39.996 g/mol
B. 29.996 g/mol
C. 19.996 g/mol
D. 09.996 g/mol (more…)
What is the system International (SI) unit of pressure?
A. N/m^-2
B. Nm^-2
C. Nm^2
D. All of the above
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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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The word alkali means:
A. Base
B. Basic salt
C. Ashes
D. Acid
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Bromine is a non metal in:
A. Solid state
B. Liquid state
C. Gaseous state
D. Plasma state
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