Recent questions tagged chemistry-in-everyday-life

LSD (lysergic acid diethylamide )

asked Feb 7, 2017 by meena.p

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A drug that is antipyretic as wel as analgesic is :

asked Feb 7, 2017 by meena.p

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Which one of the following types of drugs reduces fever ?

asked Feb 7, 2017 by meena.p

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Which of the following is employed as a tranquilizes drug ?

asked Feb 7, 2017 by meena.p

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Which of the following is used to make non- stick cook waves ?

asked Feb 7, 2017 by meena.p

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The number of chromosome in picric acid is :

asked Feb 6, 2017 by meena.p

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Which of the following is a mordant ?

asked Feb 3, 2017 by meena.p

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Alizarine a mordant dye is not used in :

asked Feb 3, 2017 by meena.p

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The compounds used to fix a dye to the fabric are known as :

asked Feb 3, 2017 by meena.p

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Ampicillin is :

asked Feb 3, 2017 by meena.p

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Indigo belongs to :

asked Feb 3, 2017 by meena.p

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Which of the following is an auxochrome ?

asked Feb 3, 2017 by meena.p

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Which of the following acts as a chromophones group ?

asked Feb 3, 2017 by meena.p

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The relationship between colours and chemical constitution was put forwarded by :

asked Feb 2, 2017 by meena.p

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Arsenic containing medicine used for the treatment of syphilis is :-

asked Feb 2, 2017 by meena.p

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Morphine is

asked Feb 2, 2017 by meena.p

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Sulpha drugs are used for :

asked Feb 2, 2017 by meena.p

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Which one is a abroad spectrum antibiotic ?

asked Feb 2, 2017 by meena.p

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Germinated harley called malt is a source of enzyme :

asked Feb 2, 2017 by meena.p

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An antibiotic contains nitro group attached to benzene nucleus in its structure is :

asked Feb 2, 2017 by meena.p

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A larger no of antibiotics have isolated from

asked Feb 2, 2017 by meena.p

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Refrigeration helps in food preservation by :

asked Feb 2, 2017 by meena.p

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Putrefaction of substance is caused by

asked Feb 2, 2017 by meena.p

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In making lemon pickle :

asked Feb 2, 2017 by meena.p

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The substance which can both as an antiseptic and disinfectant is :

asked Feb 2, 2017 by meena.p

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The drug which is effective in curing malaria is :

asked Feb 2, 2017 by meena.p

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Which of the following is an alkaloid ?

asked Feb 2, 2017 by meena.p

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To which class of dyes does phenolpthalein belong ?

asked Feb 2, 2017 by meena.p

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Polypropylene is not used in

asked Feb 2, 2017 by meena.p

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Arsenci drugs are mainly used in the treatment of

asked Feb 2, 2017 by meena.p

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A dye absorbs the wave length corresponding to blue colour of light . The observed colour will be :

asked Feb 2, 2017 by meena.p

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Resonance structure of a molecule do not have

asked Feb 2, 2017 by meena.p

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Maximum amount of hydrogen bonding occurs in case of

asked Feb 2, 2017 by meena.p

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Resonance in a molecules results in

asked Feb 2, 2017 by meena.p

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Resonance energy of benzene is about so much $Kcal/mol$

asked Feb 2, 2017 by meena.p

1 answer

Rahul observed that families from nearby localities bring loads of laundry to wash in the river practically every day, while others bring their cars, taxis and rickshaws and wash them clean by using water from the river. The same water was being consumed by people living downstream.When he tried to stop people from washing clothes and cleaning vehicles.Nisar Khadim a local resident objected. “It makes no difference if we wash our cars and clotheshere. It is a gift from nature,” he said ,Answer the following question a)Who do you think is right Rahul or the taxi driver?Give a reason for your answer. b) What are the values associated with the answer?

asked Nov 28, 2016 by meena.p

1 answer

A survey revealed that most of the industries in Najafgarh area have not installed smoke precipitators in the chimneys. a) What is the use of smoke precipitators? b) Why do you feel that it should be mandatory for industries to install smoke precipitators?

asked Nov 28, 2016 by meena.p

1 answer

Explain the following terms giving one example of each type (i) Antacids (ii) Disinfectants

asked Nov 17, 2016 by meena.p

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Between Sodium hydrogen carbonate and magnesium hydroxide which is a better antacid and why ?

asked Nov 14, 2016 by meena.p

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Pickles have a long self - life and do not get spoiled for month . why ?

asked Nov 8, 2016 by meena.p

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Why is drug metabolism a major consideration in drug design ?

asked Oct 25, 2016 by meena.p

1 answer

What is the nature of an antacid ?

asked Oct 25, 2016 by meena.p

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(a)What changes occurs in the nature of egg protein on boiling ? (b) Name the type of bonding . Which stabilizes $\alpha - helix$ structure in proteins .

asked Oct 21, 2016 by meena.p

1 answer

What are antiseptics ?

asked Oct 18, 2016 by meena.p

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How do antidepressant drugs counteract feeling of depression ?

asked Oct 17, 2016 by meena.p

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X and Y are two volatile liquids with molar weights of $10\; g\; mol^{–1}$ and $40\; g\; mol^{–1}$ respectively. Two cotton plugs, one soaked in X and the other soaked in Y, are simultaneously placed at the ends of a tube of length $L = 24\; cm$, as shown in the figure. The tube is filled with an inert gas at 1 atmosphere pressure and a temperature of $300\; K$. Vapours of X and Y react to form a product which is first observed at a distance d cm from the plug soaked in X. Take X and Y to have equal molecular diameters and assume ideal behaviour for the inert gas and the two vapours.The value of d in cm (shown in the figure), as estimated from Graham’s law, is :

asked Jan 18, 2016 by meena.p

1 answer

Resonance is due to :

asked Dec 22, 2015 by meena.p

0 answers

The property of catenation is strongestin carbon because :

asked Dec 22, 2015 by meena.p

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Polythene is a/an:

asked Dec 22, 2015 by meena.p

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A dye imparts red colour on fabric . What colour of light was absorbed by the dye ?

asked Mar 17, 2014 by yamini.v

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