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mnsoomro
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_____________ surfactants perform well over a wide range water hardness and PH?
A. Anionic B. Cationic C. Nonionic D. Neutral Submitted by :- Jamil Ahmed
Polyethylene Glycols are used in the preparation of which type of detergents?
A. Cationic detergents B. Anionic detergents C. Non-ionic detergents soap D. All of above Submitted by :- Jamil Ahmed
The by-product of the process of Saponification is___________?
A. Methanol B. Glycol C. Glycerol D. Sodium hydroxide Submitted by :- Jamil Ahmed
Which of the following statements is false about transition metals?
A. They form complexes B. They show variable valency C. All transition metal compounds are paramagnetic D. They form colored…
The IUPAC name of HCONH2 is___________?
A. Methanamide B. Methanoylamine C. Aminoethanol D. Formamide Submitted by :- Jamil Ahmed
Presence of nitrogen in organic compounds is tested as__________?
A. Nitrogen gas B. NH3 C. CN‾ D. NO Submitted by :- Jamil Ahmed
Beillstein test is used for________?
A. Cl B. N2 C. CO2 D. CO Submitted by :- Jamil Ahmed
The stationary and mobile phases in paper chromatography are____________?
A. Liquid/liquid B. Solid/liquid C. Liquid/solid D. Liquid/gas Submitted by :- Jamil Ahmed
The bond angle between hybrid orbitals in methane CH4 is___________?
A. 115.5° B. 109.5° C. 15. 7° D. 18° Submitted by :- Jamil Ahmed
The criteria for aromaticity is presence of_________?
A. Unsaturation B. Cyclic structure C. Presence of 4nπ electrons D. Presence of 4n+2π electrons Submitted by :- Jamil Ahmed