ICSE Class 10 Answered
Choosing the correct words given in brackets, complete the sentences given below: (i) An acid is a compound which when dissolved in water gives ____________ (hydronium/hydroxide) ions as the only __________ (positive/negative) ions. (ii) Electrolysis is the passage of _________ (electricity/electrons) through a liquid or a solution accompanied by a __________ (physical/chemical) change. (iii) Allotropy is the property of a (n) ________ (Compound/element) which can exist in two or more forms in the same __________ (chemical/physical) state. (iv) A (n) ____________ (acid/basic) salt is one in which the hydrogen of an acid has been partially replaced by a __________ (metal/non-metal). (v) The number of atoms present in one ________ (mole/molecules) of an element is called its ________ (acidity/atomicity).
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
(i) Hydronium, positive.
(ii) Electricity, chemical
(iii) Element, physical.
(iv) Acid, metal.
(v) Molecule, atomicity.
(ii) Electricity, chemical
(iii) Element, physical.
(iv) Acid, metal.
(v) Molecule, atomicity.
Answered by | 04 Jun, 2014, 03:23: PM
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