Chemistry Tests

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Chemistry Quiz

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Human body is made up of elements:

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Long form of periodic Table is constructed on the basis of:

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How many number of mole are equivalent to 11 grams of CO₂:

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It is used to cure sting of wasps

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How many electrons can K-shell accommodate?

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The valence of chromium is:

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The compound which increase the weight of soap:

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Atomic size of sodium atom is:

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The mass of one molecule of water is:

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Percentage by weight of hydrogen in ocean is:

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______metal is brittle.

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How many stable isotopes are present in carbon:

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The radios of carbon atom is:

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Transition elements are:

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Small sized atoms have nuclear charge?

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Atomic size of sodium atom is:

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Atomic size of sodium atom is:

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Which element is found in most abundance in the atmosphere?

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Fats exists in

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The excellent conductor of heat & electricity is:

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Which one of the following metal burn with brick red flame in the air on heating

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Which element has the least value of electronegativity

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At room temperature, fluorine & chlorine exist as:

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The sulpher dioxide is used to manufacture :

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Wavelength of sunlight radiation is

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