WorksheetsSolutions (8-3-10)
Total questions: 15
Worksheet time: 6mins
A ........ is a mixture where all components are mixed
solution
solubility
mixture
solute
When solution contains as much solute as dissolve, we say it is unsaturated
false
true
The solubility of a compound is the maximum amount of solute dissolving in a given solvent to form a unsaturated solution
false
true
The solubility of table salt NaCl is ...... at 200C
72/100
36/100
40/50
102/50
Factors affecting solubility
temperature and nature
pressure and temperature
nature and area
environment
..... can be defined as mole number of solute dissolved per one liter of solution
Normality
molarity
mass concentration
solubility
In the covalent bond electrons are
given
shared
transferred
taken
Polar covalent bonds are formed between two nonmetal atoms with same electronegativity values
true
false
Which gases we use in ballons?
halogen gases
noble gases
atmosphoreic gases
gases of Sulfur
...... bond is formed by the transfer of electrons from one atom into another
metallic
ionic
chemical
polar
nonpolar covalent
.....is a solution that contains more diisolved solute in a given amount of a solvent
saturated
unsaturated
supersaturated
...... is a substance that dissolves another substance.
solute
solvent
solution
The solubility of sugar is 204g/100g of water at 200C. How many grams of sugar can be dissolved in 75 grams of water at same condition
76.5
153
204
102
Which one of the following statements is wrong for solutions?
They are impure substances
They are homogeneous mixtures
They have 2 components, solvent and solute
In salt water, salt is the solute
The solubility of substances is not affected by temperature
Which one of the following is more soluble in water?
ethyl alchocol
table salt
sugar
carbon dioxide
oil
