The Branch of chemistry dealing with brewing and distilling is called _______ ?
(A) Zygology
(B) Zymology
(C) Zymurgy
(D) Zootaxy
What is the molecular Weight of Nitric acid (HNO3 ) ?
(A) 63.012 g/mol
(B) 65.012 g/mol
(C) 70.012 g/mol
(D) 81.011 g/mol
Commercial detergents contain mainly _____________?
(A) RCOON
(B) RONa
(C) RSNa
(D) ROsO3Na Muhammad Ali Kunbhar
_____________ surfactants perform well over a wide range water hardness and PH?
(A) Anionic
(B) Cationic
(C) Nonionic
(D) Neutral
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
The by-product of the process of Saponification is___________?
(A) Methanol
(B) Glycol
(C) Glycerol
(D) Sodium hydroxide
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 coloured ions
Colour in transition metal compounds is attributed to____________?
(A) Small sized metal ions
(B) Absorption of light in UV region
(C) Complete ns sub-shell
(D) Incomplete (n-1) d sub-shell