A mixture of 95% oxygen and 5% carbondioxide is known as__________.
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Asked:
January 2023
Thermal dissociation unlike thermal decomposition is a________ reaction.
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Asked:
January 2023
____________ substances, on exposure to atmosphere absorb moisture and change into a saturated solution.
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Asked:
January 2023
Permanent hard water is one whose hardness cannot be removed by________.
Diamond has a sparkling brilliance due to_______________.