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mnsoomro
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Methyl alcohol is not used__________________?
A. As a solvent B. As a substitute for petrol C. As an antifreezing agent D. For denaturing of ethyl…
_________ is a specific term in which conductance is expressed.
(A). Ohm/cm (B). Ohm.cm (C). Ohm-1 cm-1 (D). Ohm-1 cm Submitted by :- Muhammad Nawaz
Which compound shows hydrogen bonding ?
A. C2H6 B. C2H5Cl C. CH3OCH3 D. C2H5OH Submitted by :- Jamil Ahmed
On dilution ionisation __________ in electrolyte.
(A). Increases (B). Decreases (C). Becomes very small (D). Do not change Submitted by :- Muhammad Nawaz
When phenol is heated with concentrated nitric acid the product is________________?
A. Picric acid B. o-nitrophenol C. 1 3 5 -trinitro benzene D. p-nitrophenol Submitted by :- Jamil Ahmed
Select the strong electrolytes?
(A). HCL (B). Acetic acid (C). Propinoic acid (D). H2SO3 Submitted by :- Muhammad Nawaz
The given dissociation constant (Ka) value 1.3×1-1 is of_________________?
A. Alcohol B. Acetic acid C. Water D. Phenol Submitted by :- Jamil Ahmed
The distinction test for primary secondary and tertiary alcohol required to react each of them is_________________?
A. Cone. HCI and anhydrous SOCl2 B. Cone. HCI and anhydrous CaCl2 C. Cone. HCI and anhydrous PCl2 D. Cone.…
Which among the following is not a property of Ionic bond _________?
A. Sharing of electrons B. Transfer of electrons C. Losing of electrons D. Gain of electrons Submitted by :- Jamil…
Permanent hardness of water due to sulphate of metals can be destroyed by the use of ____ ?
A. Zeolites B. Sulphonides C. Lime D. Nitrates Submitted by :- Jamil Ahmed