Chemistry Quiz for Grade 6
- Question of
Dry ice is solid carbon dioxide, or CO2. Dry ice may be used as a cooling agent and contains two oxygen atoms bonded to a carbon atom. Dry ice is a ___________________ .
- pure substance
- mixture
- solution
- none of these
- Question of
Mixtures that have the same composition throughout are _________.
- homogeneous
- heterogeneous
- elements
- pure substances
- Question of
Granite is an igneous rock that contains the minerals quartz, feldspar, mica and others. The exact composition will vary from sample to sample. Granite is a(n) _______ .
- heterogeneous mixture
- homogenous mixture/solution
- element
- compound
- Question of
Compounds are different than elements because compounds are _________.
- A combination of two or more elements.
- not able to be broken down into parts
- made from the same type of atoms
- a pure substance, elements are not
- Question of
A 14-karat gold ring consists of 14 parts gold and 10 parts copper. This alloy can be separated by density when melted. Which type of matter is the 14-karat gold ring?
- Homogeneous Mixture
- Heterogeneous Mixture
- Compound
- Pure Substance
- Question of
H2 is an example of:
- Molecule
- Compound
- Element
- Heterogeneous Mixture
- Question of
A substance that contains only one type of atom is a(n):
- element
- compound
- heterogeneous mixture
- homogeneous mixture
- Question of
Anything that has mass and occupies space is called _________.
- matter
- light
- heat
- water
- Question of
The amount of matter in an object is called its _________.
- mass
- space
- volume
- none of these
- Question of
The amount of space occupied by a matter is called its __________.
- volume
- mass
- density
- none of these
- Question of
Which of the following is not matter?
- all of them
- electricity
- heat
- light
- Question of
Water vapour is an example of which state of matter?
- gas
- solid
- liquid
- none of these
- Question of
Example for a gas is ________.
- carbon dioxide
- ice
- oil
- dry ice
- Question of
When marbles are added to a beaker containing water, the water level __________.
- increases
- decreases
- remains the same
- none of these
- Question of
The smallest particle of matter __________.
- atom
- compound
- element
- none of these
- Question of
Which of the following materials is transparent?
- Glass tumbler
- Mirror
- Stainless steel plate
- Plastic bottle
- Question of
Which of the following is completely soluble in water?
- Sugar
- Sawdust
- Tea leaves
- Chalk powder
- Question of
Which of the following statements is incorrect?
- Some stones are transparent, while some glasses are opaque.
- Certain materials are hard, while others are soft.
- Some materials appear shiny, while others appear dull.
- Some materials are rough, while others are smooth.
- Question of
Which of the following materials do not have lustre?
- Plastic
- Gold
- Iron
- Glass
- Question of
The property of materials to be compressed easily is ____.
- Softness
- Hardness
- Lustre
- All of them
- Question of
Which of the following materials is translucent?
- Stained glass
- Mirror
- Wall
- Cloth
- Question of
The process by which butter can be separated from milk is ____.
- Churning
- Sedimentation
- Decantation
- Filtration
- Question of
Which of the following processes can be used to separate a liquid from an insoluble solid?
- Filtration
- Distillation
- Sedimentation
- Evaporation
- Question of
Which of the following processes can be used to separate impurities from wheat?
- Handpicking
- Magnetic separation
- Winnowing
- Threshing
- Question of
Which of the following is a change that can be reversed?
- Stretched rubber band to its normal size
- Milk to paneer
- Grain to its flour
- Batter to Idli
- Question of
Which of the following changes that occur in our bodies is reversible?
- None of them
- Increase in height
- Decrease in weight
- Growing of nails
- Question of
Melting of wax is a physical change because it involves:
- Change in the state from solid to liquid
- Change in state from liquid to solid
- Change in state from liquid to vapours
- Change in state from solid to vapours
- Question of
Which of the following can be recycled?
- Newspapers
- Plastic wrap
- Food waste
- Leather shoes
- Question of
Which of the following components of air is harmful to living beings?
- Dust and smoke
- Smoke and water vapour
- Carbon dioxide and water vapour
- Nitrogen and oxygen
- Question of
Which of the following gases supports burning?
- Oxygen
- Carbon dioxide
- Nitrogen
- Methane