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Recent questions tagged science
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Thermoplastic is used for making which of the following?
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 21, 2017
by
meena.p
1
answer
Resources which are limited in nature are Known as
cbsc
class 8
olympiad
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chemistry
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Aug 21, 2017
by
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1
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<p> <span class="mpa-ignore">$\begin{array}{1 1} a. Acidic \\ b. Basic \\ c. Neutral \\ d. All \;of\; these \end{array} $</span>
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 21, 2017
by
meena.p
0
answers
The substance expected to have the highest ignition temperature out of the following is
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 21, 2017
by
meena.p
1
answer
Which of the following materials is the best for making garments and jackets that can be used in wet or damp environments?
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 21, 2017
by
meena.p
1
answer
Which system of the body is affected by jaundice?
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 21, 2017
by
meena.p
1
answer
Choose the correct statement from the following?
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 21, 2017
by
meena.p
1
answer
When Cu is exposed to moist air for a long time, which of the following is formed?
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 21, 2017
by
meena.p
1
answer
Which one of the following is non metal?
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 18, 2017
by
meena.p
1
answer
Inexhaustible natural resources in nature are
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 18, 2017
by
meena.p
1
answer
Which metal is generally used for making a sewing needle?
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 18, 2017
by
meena.p
1
answer
Match the terms of column I correctly with the phrases given in column II.
cbsc
class 8
olympiad
science
chemistry
t2
asked
Aug 18, 2017
by
meena.p
0
answers
Which of the following property is not responsible for copper to be used as electrical conduction wires?
cbsc
class 8
olympiad
science
chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
Binni wishes to contribute in reducing air pollution . Which vehicle should he use for going to school.
cbsc
class 8
olympiad
science
chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
A flame always points upwards because
cbsc
class 8
olympiad
science
chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
The presence of which of the following salts in water causes corrosion in steam boilers ?
cbsc
class 8
olympiad
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chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
Which of the following will work best as a tester for electric current?
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class 8
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science
chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
Firewood is generally used as fuel in which of the following?
cbsc
class 8
olympiad
science
chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
Polywool is a mixture of which substances?
cbsc
class 8
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chemistry
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asked
Aug 18, 2017
by
meena.p
1
answer
Which scientist was the first to show electrolysis of water?
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class 8
olympiad
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chemistry
t1
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Aug 18, 2017
by
meena.p
1
answer
Which of the following is a good conductor of electricity?
cbsc
class 8
olympiad
science
chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
Which of the following is not true?
cbsc
class 8
olympiad
science
chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
When a glass rod is rubbed with a piece of silk cloth
cbsc
class 8
olympiad
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chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
Which of the following has highest calorific value?
cbsc
class 8
olympiad
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chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resources?
cbsc
class 8
olympiad
science
chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
Which of them is used in extraction of metals ?
cbsc
class 8
olympiad
science
chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
The fibres manufactured by petrochemicals are
cbsc
class 8
olympiad
science
chemistry
t1
asked
Aug 18, 2017
by
meena.p
1
answer
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
cbsc
class 7
olympiad
science
chemistry
t10
asked
Aug 18, 2017
by
meena.p
1
answer
How many colours the sunlight spectrum has?
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class 7
olympiad
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chemistry
t10
asked
Aug 18, 2017
by
meena.p
1
answer
Which of the following has an organic origin?
cbsc
class 7
olympiad
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chemistry
t10
asked
Aug 18, 2017
by
meena.p
1
answer
Which of the following is necessary for burning (combustion)?
cbsc
class 7
olympiad
science
chemistry
t10
asked
Aug 18, 2017
by
meena.p
2
answers
The three states of matter are solid, liquid and gas.
cbsc
class 7
olympiad
science
chemistry
t10
asked
Aug 18, 2017
by
meena.p
1
answer
Metal pots are often made shiny on surface outside especially on the top and side and that makes sense thermally because this ___ .
cbsc
class 7
olympiad
science
chemistry
t10
asked
Aug 18, 2017
by
meena.p
1
answer
Movement of electrons in fixed orbits around nucleus was given by
cbsc
class 7
olympiad
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chemistry
t10
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Aug 18, 2017
by
meena.p
1
answer
Carbon, hydrogen and oxygen combines together to make
cbsc
class 7
olympiad
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chemistry
t10
asked
Aug 18, 2017
by
meena.p
1
answer
At end of a reaction, catalyst
cbsc
class 7
olympiad
science
chemistry
t10
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Aug 18, 2017
by
meena.p
1
answer
‘Bar’ is the unit of ?
cbsc
class 7
olympiad
science
chemistry
t10
asked
Aug 17, 2017
by
meena.p
1
answer
Which among the following is a positively charged particle emitted by a radioactive element?
cbsc
class 7
olympiad
science
chemistry
t10
asked
Aug 17, 2017
by
meena.p
1
answer
Which gas evolves when charcoal is burnt?
cbsc
class 7
olympiad
science
chemistry
t10
asked
Aug 17, 2017
by
meena.p
1
answer
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
cbsc
class 7
olympiad
science
chemistry
t10
asked
Aug 17, 2017
by
meena.p
1
answer
Glass is made of the mixture of
cbsc
class 7
olympiad
science
chemistry
t10
asked
Aug 17, 2017
by
meena.p
1
answer
When liquids are heated, they
cbsc
class 7
olympiad
science
chemistry
t10
asked
Aug 17, 2017
by
meena.p
1
answer
When you heat a system, its temperature _ _ .
cbsc
class 7
olympiad
science
chemistry
t9
asked
Aug 17, 2017
by
meena.p
1
answer
Metal pots are often made shiny on surface outside especially on the top and side and that makes sense thermally because this ___ .
cbsc
class 7
olympiad
science
chemistry
t9
asked
Aug 17, 2017
by
meena.p
1
answer
Vulcanization is a ?
cbsc
class 7
olympiad
science
chemistry
t9
asked
Aug 17, 2017
by
meena.p
1
answer
Meaning of word 'anhydrous' is
cbsc
class 7
olympiad
science
chemistry
t9
asked
Aug 17, 2017
by
meena.p
1
answer
Compared to gases, liquids are
cbsc
class 7
olympiad
science
chemistry
t9
asked
Aug 17, 2017
by
meena.p
1
answer
Which of the following is a protein?
cbsc
class 7
olympiad
science
chemistry
t9
asked
Aug 17, 2017
by
meena.p
1
answer
Atoms are composed of
cbsc
class 7
olympiad
science
chemistry
t9
asked
Aug 17, 2017
by
meena.p
1
answer
Light year is a unit of measurement of
cbsc
class 7
olympiad
science
chemistry
t9
asked
Aug 17, 2017
by
meena.p
1
answer
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