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WorksheetsReview Grade 8/3(final 1st sem)
Total questions: 35
Worksheet time: 18mins
What do we call the measure of how much solute can dissolve in the solvent?
a. Substance
b. Solubility
c. Separation
d. Changes
Which of the following is a type of bonds?
a. Ionic bond
b. Bond paper
c. Formula
d. Element
Which part of the solution is the larger amount and dissolves a solute?
a. Solute
b. Solvent
c. Substance
d. Solution
What do we call the building blocks of all matter?
a. Examples
b. Solute
c. Elements
d. Solvent
Which part of the solution is the smaller amount and is dissolved in the solvent?
a. Solute
b. Solvent
c. Substance
d. Solution
What do we call the atom that has a positive and negative charged?
a. Ion
b. Iron
c. Atom
d. Compound
What is the symbol of the element Silver?
a. Hg
b. Aa
c. Ga
d. Ag
What is another simple method of separation?
a. Filtration
b. Separation
c. Cooperation
d. Distillation
Which object can be separated from other substances because of magnetic attraction?
a. Leaves
b. Cloth
c. Paper
d. Metals
What do we call the removal of one substance from a mixture of more than one?
a. Extraction
b. Solute
c. Solvent
d. Gas
Who is the English Chemist who conducted the early experiments on elements?
a. John Dalton
b. Jay Dee
c. Thomas Dalton
d. James Bond
What is the short name for High Performance Liquid Chromatography?
a. HFLC
b. HPLC
c. HHLC
d. HLCT
What do you call the paper used in filtration?
a. Filter paper
b. Cup
c. Litmus paper
d. Plate
What does TLC stands for?
a. The Layer Chromatography
b. Table Lay Chromatography
c. Thin Layer Chromatography
d. The Lay Chromatography
What is the process by which a gas is turned back into the liquid state?
a. Evaporation
b. Condensation
c. Solution
d. Population
What is the smallest unit of an element?
a. Ion
b. Iron
c. Atom
d. Compound
What is the chemical bond between two ions with opposite charges?
a. Ion
b. Ionic bond
c. Atom
d. Compound
What is the energy that is released when atoms disintegrate or decay?
a. Radioactive
b. Radio
c. Detective
d. Thermal
What is the symbol of the element Gold?
a. Ag
b. Au
c. Us
d. Ga
Which of the following is not a method of separation?
a. Extraction by solvent
b. Distillation
c. Chromatography
d. Substance
What does it mean when there are changes between solids, liquids, and gasses from one form to another?
a. Solvent
b. Solute
c. Physical changes
d. Mixture
What do we call the chemical change that is produced by an electric current?
a. Electrolysis
b. Element
c. Radioactive
d. Compound
What is the symbol of the element Potassium?
a. Ma
b. K
c. Na
d. Am
What is the substance that is capable of attaching the substance to its surface?
a. Adsorbent
b. Distillation
c. Solute
d. Solvent
What do we call the arrangement of all elements in a table grouped together by similar properties?
a. Periodic table
b. Dining table
c. Table
d. Red table
John Dalton is a Scottish Chemist.
true
false
The symbol for copper is Cp.
true
false
The symbol for sodium is Na.
true
false
Fishing is another simple method of separation.
true
false
There are two main types of bonds.
true
false
High Platform Lens Chromatography usually referred to as HPLC.
true
false
There are two components of solution; a solute and a solvent.
true
false
Distillation is not a method of separation.
true
false
Vaporization is the temperature at which a solid change into a liquid.
true
false
The symbol for gold is Au.
true
false
