Recent questions tagged t9

Elements in the same period have the same number of .

asked Sep 7, 2017 by meena.p

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The components of water can be separated by

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$CO_2$ can be easily liquefied and even solidified because

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In the preparation of temporary mount of onion peel which of the following is not used :

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The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

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Sariska national park is located in

asked Aug 30, 2017 by priyanka.c

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Each gamete contains

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In India following hotspot of biodiversity is/are present

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Along with the testicular hormones, sperm formation also needs hormones from

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Secretions of endocrine glands are known as

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First animal to be cloned was

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Binary fission occurs in

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Which of the following is not a cell?

asked Aug 30, 2017 by priyanka.c

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Which of the following is not a cell?

asked Aug 29, 2017 by priyanka.c

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The thread like structure present in the nucleus are

asked Aug 29, 2017 by priyanka.c

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Biotic components of an ecosystem will not include

asked Aug 29, 2017 by priyanka.c

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The term 'biodiversity' was coined by

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A group of similar organisms living together in a specific habitat is called

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A vaccine contains

asked Aug 29, 2017 by priyanka.c

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Condition that is not essential for growing maize is

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The method of irrigation in which water enters the filed through channels made between two rows of crops is

asked Aug 29, 2017 by priyanka.c

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What compound is a common component of air pollution, but is essential in the upper atmosphere to protect life on earth?

asked Aug 28, 2017 by meena.p

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Shyam’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory

asked Aug 28, 2017 by meena.p

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When a copper vessel is exposed to moist air for long, it acquires a dull green coating. The green material is a mixture of

asked Aug 28, 2017 by meena.p

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Choose the incorrect statement from the following. Forest fires are usually due to:

asked Aug 28, 2017 by meena.p

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Dead organisms are transformed into petroleum & natural gas in

asked Aug 28, 2017 by meena.p

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Explosion takes place because of

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The purest form of iron is —

asked Aug 28, 2017 by meena.p

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Chemical effect of electric current is also known by which term?

asked Aug 28, 2017 by meena.p

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Metals generally react with dilute acids to produce hydrogen gas. Which one of the following metals does not react with dilute hydrochloric acid?

asked Aug 28, 2017 by meena.p

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The most suitable material for the preparation of handles of cooking utensils is

asked Aug 28, 2017 by meena.p

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Polycot is obtained by mixing

asked Aug 28, 2017 by meena.p

2 answers

On burning metals react with oxygen to produce-

asked Aug 28, 2017 by meena.p

1 answer

Petrol can be saved by

asked Aug 28, 2017 by meena.p

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At room temperature, most elements are in which phase of matter?

asked Aug 28, 2017 by meena.p

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If a metal can be drawn into wires relatively easily it is called:

asked Aug 28, 2017 by meena.p

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When you heat a system, its temperature _ _ .

asked Aug 17, 2017 by meena.p

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Metal pots are often made shiny on surface outside especially on the top and side and that makes sense thermally because this ___ .

asked Aug 17, 2017 by meena.p

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Vulcanization is a ?

asked Aug 17, 2017 by meena.p

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Meaning of word 'anhydrous' is

asked Aug 17, 2017 by meena.p

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Compared to gases, liquids are

asked Aug 17, 2017 by meena.p

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Which of the following is a protein?

asked Aug 17, 2017 by meena.p

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Atoms are composed of

asked Aug 17, 2017 by meena.p

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Light year is a unit of measurement of

asked Aug 17, 2017 by meena.p

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If baking soda or fruit salt is mixed with vinegar there takes place a

asked Aug 17, 2017 by meena.p

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Point at which solid substance changes into liquid state it is called

asked Aug 17, 2017 by meena.p

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Solubility of gases increases with decrease in

asked Aug 17, 2017 by meena.p

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Potassium Permanganate is used for purifying drinking water, because

asked Aug 17, 2017 by meena.p

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Permanent hardness of water can be removed by adding

asked Aug 17, 2017 by meena.p

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Ionic bonds are

asked Aug 17, 2017 by meena.p

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