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Atoms Molecules Mixtures and Compounds
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Atoms Molecules Mixtures and Compounds
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Atoms Molecules Mixtures and Compounds
Lead has excellent vibration-dampening characteristics and is used in
construction
plumbing
decoration
household
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Atoms Molecules Mixtures and Compounds
Smaller amounts of sulfur are used to vulcanize natural rubbers, in the manufacture of gunpowder and as
dying agent
insecticides
fungicides
all of them
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Atoms Molecules Mixtures and Compounds
The number of metallic elements in the periodic table is close to
twenty
forty
sixty
fifty
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Atoms Molecules Mixtures and Compounds
Mixture can be separated, and the kind of separation method depends on the kind of
mixture it is
solution it is
compound it is
molecule it is
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Atoms Molecules Mixtures and Compounds
The chemical formula for water is
NaCl
Cl
O2
H2O
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Atoms Molecules Mixtures and Compounds
Sublimation is a process in which solid changes to gas without passing through the
evaporation
solid phase
liquid phase
crystal phase
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Atoms Molecules Mixtures and Compounds
Elements that are sonorous or make a bell-like sound when struck, are called
metals
non-metals
glasses
wood
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Atoms Molecules Mixtures and Compounds
Oxygen gas is a gas that possesses about half of the mass of
earth’s crust
space
land
body
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Atoms Molecules Mixtures and Compounds
The two substances mixed together without any chemical reaction form a
molecule
compound
mixture
solution
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Atoms Molecules Mixtures and Compounds
Magnesium, calcium, phosphorus, sodium, potassium are some other elements found in
living organism
non-living
mountain
land
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