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Elements and Compounds
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Elements and Compounds
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Elements and Compounds
Low densities, low melting, low boiling point and poor conductivity are found in
metals
non metals
alkalis
metalloids
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Elements and Compounds
Chemical name for iron is
Ferrum
Natrium
Argentum
Wolfram
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Elements and Compounds
With one hundred elements the compounds that may be made, will be above
millions
thousands
hundreds
trillions
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Elements and Compounds
A process by which new substance is formed, is called
chemical symbol
chemical formula
chemical property
chemical reaction
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Elements and Compounds
The elements that are named after famous scientists, are
Curium
Einsteinium
Mendelevium
all of above
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Elements and Compounds
The person who first arranged elements in form of periodic table was
Lewis
Mendeleev
Thomas
Darwin
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Elements and Compounds
Wolfram is a chemical name of an element called
iron
magnesium
sodium
tungsten
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Elements and Compounds
Sand is made up of
silicon
oxygen
glass
both a and b
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Elements and Compounds
Nitric acid is combined with oxygen to produce brown fume of
nitrogen oxide
nitrogen dioxide
carbon dioxide
nitrogen
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Elements and Compounds
The gas which is used as cooling agent is
carbon dioxide
helium
argon
nitrogen
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