Q. If the addition of any foreign substance renders the catalyst to be ineffective it is called

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Q. A substance which changes the rate of reaction, but remains chemically unchanged at the end of the reaction is called

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Q. Glucose is converted into ethanol by the enzyme

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Q. In combustion analysis, % of hydrogen is calculated from

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Q. The formula mass of an ionic compound is called

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Q. Empirical formula of glucose is

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Q. In case of ionic compounds, the molecular and empirical formulas are

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Q. Empirical formula of benzene is

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Q. The simplest whole number ratio of atoms of each element in the molecule of a compound is called

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Q. It is used for evaporation of solution, in sublimation

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Q. It is used to warm or heat the substances

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Q. It is used to prepare gases and has two openings

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Q. Calorimeter is made up of

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Q. Temperature is measured by

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Q. Thistle funnel is used to pour into a wolf's bottle or a flask

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Q. Wire gauze is used to supply uniform heat to

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Q. When solutions are to be kept under observation, the following apparatus is used

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Q. It is used for hanging, clamping, holding and heating during the experiment

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Q. It is used in titration or volumetric analysis

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Q. It is used to take a known volume of liquid for volumetric analysis or titration

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