One Water molecule can form maximum ______hydrogen bonds.
A. 2 B. 3 C. 4 D. None A single water molecule can participate in a maximum of four hydrogen bonds because it can accept twobonds using the lone pairs on oxygen and donate twohydrogen atoms.
Chemistry MCQs
In water molecule, Hydrogen & water are held together by ______ bond.
A. Ionic B. Covalent C. Hydrogen D. Dating
The chemical symbol for silver is __________?
A. Au B. Ag C. Sv D. At
The only non metal exists in liquid state is ___________?
A. Mercury B. Bromine C. Phosphorus D. Iodine Bromine is the only non-metal which exists in the liquid state at room temperature.
Z number for chlorine is __________?
A. 35.5 B. 17 B. 15 D. 21 Chlorine is a chemical element with the symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature.
Law of mass action was proposed by Goldberg and Peter Waage in _________?
A. 1864 B. 1866 C. 1888 D. None of These on 15 March 1864, Peter Waage and Cato Guldberg published a paper in which they propounded what has come to be known as the Law of Mass Action 1.
The product of the reaction between steam and Hydrocarbon in presence of Ni catalyst at 900°C is _____.
A. CO²+O² B. CO+H²(water gas) C. CO³+H²O D. Laughing Gas
The decomposition of nitroglycerine is an example of:
A. Self catalytic reaction B. Enzyme catalytic reaction C. Autocatalytic reaction D. induced catalysis
The phenomenon of negative catalysis is also known as:
A. auto catalysis B. Self catalysis C. inhibition D. Enzyme catalysis
Ostwald’s dilution law applicable to:
A. All electrolytes B. Strong electrolytes C. Non electrolytes D. Weak electrolytes