Recent questions in Chemistry

The main function of roasting is

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The molten metal, obtained after the treatment of copper pyrites in the blast furnace, has the composition of

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Which of the following is an insecticide ?

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Which is plant growth inhibition ?

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The Ailoy of nictrome conatins

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Which of the following is a broad spectrum antibiotic ?

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Iron is not attacked by

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Which of the following medicines is required against malaria ?

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Iron reacts with $P_4O_{10}$ in the presence of $O_2$ at a high temp to produce.

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Alizarin belongs to the class of

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Which of the following statement is correct ?

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Which of the following is a triphenylmethane dye ?

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In the manufacture of iron from heamatite,limestone acts as a

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When hard steel is heated to bright redness and then allowed to cool slowly, it gets softened. The process is called

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To which class of dyes does phenolphthalein belong ?

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Among the following, the maximum amount of carbon is present in

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In the extraction of iron $Fe_2O_3$ is reduced by

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In the manufacture of iron, the principal reaction in the zone of heat absorption of the blast furnace is

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A medicine which promotes secretion of urine is called

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The chemical process in the production of iron from haematite are involved

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Luminal , a barbiturate drug is used as an/a

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Zinc reacts with very dilute nitric acid to produce.

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Which of the following drugs is an analgesic ?

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Golvanized iron pipes are made by 'hot dipping'

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Granulated zinc is made by

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Further growth of cancerous cells in the body is arrested by ?

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The melting points of $Cu,Ag$ and $Au$ follow the order.

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Morphine is

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Both flotation process may be used to increase the concentration of the mineral in

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Which of the following medicines brings down the temperature of the body ?

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For which of the following metals, hydrometal lagrical exceractive method may be emploved

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Iron is rendxred passive by treatment with concentrated

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Element carbon is most likely to reduce. $Fe_2O_3$ in which of the following temp ranges

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In the manufacture of iron from heamatile, lime stone acts as a

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In the electrolyte refing of silver the anode mud obtained contain

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Zinc reacts withvery dilute nilric acid to produce

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In extraction of iron $Fe_2O_3$ is reduced by

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The purest zinc is made

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The ares of $Ag$ and $Cu$ are concentrated using their solubility in

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Silver is refined by

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Among the following the maximum amount of carbon present in

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During the extraction of copper from chal copy rites,iron, Si moved as

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Bi semicopper is

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Aspirin is chemically called

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The common characteristic in all oxides and oxyacids of nitrogen is:

asked Mar 16, 2014 by balaji.thirumalai

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Which of the following statements are NOT correct?

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Which of the following statements regarding Halogens is NOT correct?

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Which of the following statements is NOT correct?

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Which of the following molecule is most suitable to disperse benzene in water?

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When Sodium Chloride is dissolved in water, the sodium ion is:

asked Mar 16, 2014 by balaji.thirumalai

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