The anomalous expansion of water refers to its:
Increase in volume upon cooling from 4°C to 0°C
Decrease in volume upon heating from 0°C to 4°C
Higher density in liquid state compared to solid state
Lower boiling point compared to other similar molecules
Related Questions
The bond energy of covalent O—H bond in water is:
Equal to bond energy of hydrogen bond
Greater than bond energy of hydrogen bond
Lesser than bond energy of hydrogen bond
None of the above
Which does not react with cold water?
The best method to test whether a clear liquid is water, is to:
Taste the liquid
Smell the liquid
Add litmus paper
Add few drops on anhydrous copper sulphate and look for colour change
Heavy water is not used for dinking because:
It is poisonous
It is costly
Its physiological action is different from ordinary water
Its chemical properties are different from ordinary water
Which one of the following is called amphoteric solvent?
Ammonium hydroxide
Chloroform
Benzene
Water
Oxygen and hydrogen react to form water. This discovery was made by:
Priestley
Cavendish
Scheele
Newton
The boiling point of water is unusually high compared to other hydrides of group 16 elements. This is primarily attributed to:
Larger size of the oxygen atom
Higher electronegativity of oxygen
Strong intermolecular hydrogen bonding
Bent molecular geometry of water
Which property of water contributes significantly to its high surface tension?
Van der Waals forces
Covalent bonding
Hydrogen bonding
Ionic bonding
Fluorine reacts with water to form:
Fluorine water
Oxygen
Ozone
Oxygen, ozone
What is the approximate bond angle in a water molecule?
109.5°
180°
104.5°
90°
