Q. The symbol of Iron is

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Q. The simplest form of matter which cannot be broken down into simpler substances by chemical means is called

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Q. K is the symbol of

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Q. Till today elements are known

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Q. Depending upon the properties of elements, they can be classified into

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Q. Nitrogen is present in the atmosphere

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Q. The percentage of carbon dioxide in the air is

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Q. They are usually good conductors of electricity and have shining surfaces

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Q. The name element was suggested by

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Q. Solubility of sodium thiosulphate is per 100g of water at 25 °C

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Q. When NaCl is dissolved in water, the temperature of solution

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Q. The factors which affect the solubility of solutes are

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Q. A curve drawn between solubility and temperature is

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Q. The solute and solvent molecules are constantly moving about in solution phase because of

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Q. The unit for solubility of a substance commonly used is

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Q. Solubility principle is

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Q. The type of curve which do not show sharp breaks anywhere is

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Q. Iodine is freely soluble in

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Q. Non-polar or less polar molecular crystals usually dissolve in

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Q. If excess of solid is present in solution then rate of dissolution and rate of crystallization

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