Recent questions tagged cbsc

The cell wall in a plant cell is mainly up of

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A separation technique which uses a fractionating column to separate different liquid components in a mixture with different boiling points by heating mixture is called

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How many colours the sunlight spectrum has?

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Which of the following has an organic origin?

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Which of the following is necessary for burning (combustion)?

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The three states of matter are solid, liquid and gas.

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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 ___ .

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Movement of electrons in fixed orbits around nucleus was given by

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Carbon, hydrogen and oxygen combines together to make

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At end of a reaction, catalyst

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The genetic information of an organism is present in the

asked Aug 17, 2017 by priyanka.c

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Identify the correct statement about a biosphere reserve.

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Rhinoceros' are poached for their

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Plants and animals living in natural conditions constitute the

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Pathogenic microorganisms present in the host cells are killed by medicines called

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Polio vaccine was developed by

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‘Bar’ is the unit of ?

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Which among the following is a positively charged particle emitted by a radioactive element?

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Which gas evolves when charcoal is burnt?

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The Earth is surrounded by an insulating blanket of gases which protects it from the light and heat of the Sun. This insulating layer is called the

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Glass is made of the mixture of

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When liquids are heated, they

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When you heat a system, its temperature _ _ .

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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 ?

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Meaning of word 'anhydrous' is

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Compared to gases, liquids are

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Which of the following is a protein?

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Atoms are composed of

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Light year is a unit of measurement of

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

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

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Solubility of gases increases with decrease in

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Potassium Permanganate is used for purifying drinking water, because

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Permanent hardness of water can be removed by adding

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Ionic bonds are

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Which of the following is a physical change?

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What are the soaps?

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If mass of protons and neutrons is 1, then mass of electron is

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Which of the following is used as a moderator in nuclear reactor?

asked Aug 17, 2017 by meena.p

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Light year is a measurement of

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Which of the following is the lightest metal?

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Water can be separated from mud by help of

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Movement of particles from an area of higher concentration to an area of lower concentration is called

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Element which is filled in thermometer due to its temperature sensitivity is called

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If carbon dioxide is passed through limewater it will form

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Actinides are the elements with atomic numbers from

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Soda water contains

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Microorganisms that can photosynthesis are

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The method of scattering the seeds in the field by hand is

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