er(t) = 4+² 3t² t
3t ² - +²+6 at t=p where =R
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17. Match the description (a) to (d) below with appropriate
term from the list A to H.
A Acidic oxide
B. Alkali
C. Amphoteric oxide
D. Basic oxide
E. Deliquescence
F. Efflorescence
G. Electrolysis
H. Electrolyte
(a) The property of spontaneously giving up water of
crystalisation to the atmosphere.
(b) A liquid or a solution which conducts electricity
with accompanying chemical change.
(c) A compound which is soluble in water and the only
negative ions in the solution are hydroxide ions.
(d) An oxide which forms salts when it reacts with both
acids and alkalis.
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