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Recent questions tagged class 8

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

1 answer

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

1 answer

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

1 answer

Greenhouse gases includes

asked Aug 25, 2017 by meena.p

1 answer

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

asked Aug 25, 2017 by meena.p

1 answer

Manure comprises mainly of

asked Aug 25, 2017 by priyanka.c

1 answer

The type of reproduction that involves only a single parent is involved is called

asked Aug 25, 2017 by priyanka.c

1 answer

One of the differences between a plant cell and an animal cell is

asked Aug 25, 2017 by priyanka.c

1 answer

Plants add water vapour through atmosphere through

asked Aug 25, 2017 by priyanka.c

1 answer

The cell on which a hormone acts is called the

asked Aug 25, 2017 by priyanka.c

1 answer

Given below are the events that lead to pregnancy and development of embryo <br> i. Fertilization of egg <br>ii. Maturation of egg <br>iii. Release of egg <br>iv. Embedding of embryo in the thickened uterine wall <br> Which of the following options give the correct order of sequence in which they occur?

asked Aug 25, 2017 by priyanka.c

1 answer

Pregnancy occurs when

asked Aug 25, 2017 by priyanka.c

1 answer

The fertilized egg is called

asked Aug 25, 2017 by priyanka.c

1 answer

Chloroplast in a plant cell contain

asked Aug 25, 2017 by priyanka.c

1 answer

Rust is —

asked Aug 23, 2017 by meena.p

1 answer

The layer containing petroleum oil & gas is

asked Aug 23, 2017 by meena.p

1 answer

Which one of the following is used for decorating sweets?

asked Aug 23, 2017 by meena.p

1 answer

Potable water is the water which is

asked Aug 23, 2017 by meena.p

1 answer

The substance that does not burn with flame is

asked Aug 23, 2017 by meena.p

1 answer

The HVJ pipeline starts from which state?

asked Aug 23, 2017 by meena.p

1 answer

The outermost zone of flame is of which colour?

asked Aug 23, 2017 by meena.p

1 answer

Chemical effect of electric current is primarily used for which of the following?

asked Aug 23, 2017 by meena.p

1 answer

Which material is used for making bottles and jars?

asked Aug 23, 2017 by meena.p

1 answer

Which one of the following is applied on wounds as an antiseptic?

asked Aug 23, 2017 by meena.p

1 answer

Which gas are produced when metal react with acids

asked Aug 23, 2017 by meena.p

1 answer

Naphthalene balls are obtained from

asked Aug 23, 2017 by meena.p

1 answer

Marble cancer is caused by

asked Aug 23, 2017 by meena.p

1 answer

The gas usually filled in electric bulb is —

asked Aug 23, 2017 by meena.p

1 answer

Most soluble in water is —

asked Aug 23, 2017 by meena.p

1 answer

The type of pollution which is likely to affect Taj Mahal in Agra to a greater extent is

asked Aug 23, 2017 by meena.p

1 answer

Which of the following non-metals react and catches fire on exposure to air ?

asked Aug 23, 2017 by meena.p

1 answer

Greenhouse effect is

asked Aug 23, 2017 by meena.p

1 answer

When we heat water in a paper bowl over a candle, the paper does not catch fire because

asked Aug 23, 2017 by meena.p

1 answer

A substance which cannot be broken down further by chemical reactions, by cooling, heating, or by electrolysis, is called ______

asked Aug 23, 2017 by meena.p

1 answer

Fossils are the

asked Aug 23, 2017 by meena.p

1 answer

Which one of the following is non metal?

asked Aug 22, 2017 by meena.p

1 answer

The material similar to silk in appearance is

asked Aug 22, 2017 by meena.p

1 answer

Which of the following metals is the most reactive metal?

asked Aug 22, 2017 by meena.p

1 answer

Which of the following areas has recently shown good reserves of natural gas?

asked Aug 22, 2017 by meena.p

1 answer

A flame has how many zones?

asked Aug 22, 2017 by meena.p

1 answer

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