Recent questions tagged t7

Which of the following is not produced if you mix vinegar (an acid) and sodium bicarbonate (an alkali, or base) together?

asked Sep 6, 2017 by meena.p

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Which of the following has the highest pH value?

asked Sep 6, 2017 by meena.p

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How is a molecular/covalent compound formed?

asked Sep 6, 2017 by meena.p

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Hair contains keratin proteins which are also present in nails and wool is an example of

asked Sep 6, 2017 by meena.p

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What happens/is likely to happen if the atoms within an element have full valence shells?

asked Sep 6, 2017 by meena.p

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The lowest level of organization of life is

asked Aug 28, 2017 by priyanka.c

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The biosphere consists of extensive network of inter connected

asked Aug 28, 2017 by priyanka.c

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Nitrogen is never a part of

asked Aug 28, 2017 by priyanka.c

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Adolescence results in an individual

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Identify the ductless gland

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After fertilization, the resulting cell that gives rise to new individual is the

asked Aug 28, 2017 by priyanka.c

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Animals exhibiting external fertilization produce a large of gametes. Why?

asked Aug 28, 2017 by priyanka.c

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Green colour of the leaves is due to the pigment

asked Aug 28, 2017 by priyanka.c

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Read the different combination of terms given below A. Cell wall, cell membrane, nucleus, plastid B. Cell wall, nucleus, ribosomes, chromosomes C. Cell membrane, mitochondria, ribosomes, chromosome D. Cell membrane, ribosome, mitochondria, chloroplast

asked Aug 28, 2017 by priyanka.c

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In our country, large patches of forests are being cleared for cultivation of crops. The environmental impact of such a practice will lead to

asked Aug 28, 2017 by priyanka.c

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Migratory birds fly to far away areas during a particular time of the year. Which of the following condition present in their habitat during that time are responsible for this? i. Unavailable of food ii. Extreme weather conditions iii. Over crowding iv. Lack of nesting areas

asked Aug 28, 2017 by priyanka.c

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Microbe responsible for bread spoilage is

asked Aug 28, 2017 by priyanka.c

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Which of the following is found in the curd?

asked Aug 28, 2017 by priyanka.c

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Cod liver from fish is found to be rich in

asked Aug 28, 2017 by priyanka.c

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The milch animal among the following is

asked Aug 28, 2017 by priyanka.c

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Moist air is the combination of-

asked Aug 28, 2017 by meena.p

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Which of the following is not a common property of plastics

asked Aug 28, 2017 by meena.p

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PCRA stands for

asked Aug 28, 2017 by meena.p

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Sodium metal is stored in

asked Aug 28, 2017 by meena.p

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The coating on modern non- stick cookware and electric iron is of

asked Aug 28, 2017 by meena.p

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Petroleum was formed from organisms

asked Aug 28, 2017 by meena.p

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In combustion

asked Aug 28, 2017 by meena.p

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The presence of which of the following salts in water causes corrosion in steam boilers ?

asked Aug 28, 2017 by meena.p

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Which substance is formed by the carbonation of dead vegetation?

asked Aug 28, 2017 by meena.p

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Natural gas can be transported through

asked Aug 28, 2017 by meena.p

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Which one of the following is in crackers?

asked Aug 28, 2017 by meena.p

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Which gas; obtained from natural gas; is used for manufacturing urea?

asked Aug 28, 2017 by meena.p

1 answer

When oil or petrol catches fire, water is not used to extinguish it because

asked Aug 26, 2017 by meena.p

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Greenhouse gases includes

asked Aug 25, 2017 by meena.p

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Which of the following is basis of the modern periodic table ?

asked Aug 25, 2017 by meena.p

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More accurate and quick measure of pH value is done by

asked Aug 16, 2017 by meena.p

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Nitrogen helps in making of nitrogen based

asked Aug 16, 2017 by meena.p

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Shreya made a cup of hot tea and put a metal spoon in the cup so that the tea would cool down faster. Which of the following statements best describes the cooling of tea faster?

asked Aug 16, 2017 by meena.p

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In an atomic nucleus, neutrons and protons are held together by

asked Aug 16, 2017 by meena.p

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Sodium metal is kept under

asked Aug 16, 2017 by meena.p

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What is condensation?

asked Aug 16, 2017 by meena.p

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Which of the following is the best conductor of electricity ?

asked Aug 16, 2017 by meena.p

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Which of the following gases is lighter than air ?

asked Aug 16, 2017 by meena.p

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Parmanent hardness of water may be removed by the addition of —

asked Aug 16, 2017 by meena.p

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Cats eat rats. Rats eat grain. When grain is plentiful, what do you expect to happen?

asked Aug 16, 2017 by meena.p

1 answer

Catalytic properties of a substance may be best defined as a phenomenon of ?

asked Aug 16, 2017 by meena.p

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Large molecules such as polythene and polystyrene contains

asked Aug 16, 2017 by meena.p

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Two students of Class VI have performed the same experiment 'Separation of Sugar' by different methods as shown below: Which of the following statements are correct? I. Method I is faster than method 2. II. Method 2 leads to the decomposition of sugar to carbon. III. Method 2 is more appropriate than method I. IV Method 2 is slow but pure sugar is obtamed without getting decomposed.

asked Aug 16, 2017 by meena.p

1 answer

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is

asked Aug 16, 2017 by meena.p

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Potassium nitrate is used in

asked Aug 16, 2017 by meena.p

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