Recent questions tagged cbsc

Which of the following is not a balanced equation?

asked Sep 14, 2017 by meena.p

1 answer

Monosaccharides (simple sugars) have

asked Sep 14, 2017 by meena.p

1 answer

Out of total amount of water available for human use is

asked Sep 14, 2017 by meena.p

1 answer

All of the following are diatomic molecules, except:

asked Sep 14, 2017 by meena.p

1 answer

A solution reacts with crushed egg-shells to give a gas that turns lime-water milky.The solution contains:

asked Sep 14, 2017 by meena.p

1 answer

Equilibrium constant can be used to

asked Sep 14, 2017 by meena.p

1 answer

The plot which shows the dependence of current I on potential difference V across a resistance as shown in the figure is

asked Sep 14, 2017 by priyanka.c

1 answer

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be :

asked Sep 14, 2017 by meena.p

1 answer

The lens which can form a virtual, erect, magnified image is

asked Sep 14, 2017 by priyanka.c

1 answer

A man wishes to use a concave mirror of 50cm as a magnifying glass. Upto what distance can you stand from the mirror?

asked Sep 14, 2017 by priyanka.c

1 answer

Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?

asked Sep 14, 2017 by meena.p

1 answer

Focal length of a concave mirror depends upon

asked Sep 14, 2017 by priyanka.c

1 answer

The blue colour of the sky is due to

asked Sep 14, 2017 by priyanka.c

1 answer

The electrolytic decomposition of water gives $H_2$ and $O_2$ in the ratio of

asked Sep 14, 2017 by meena.p

1 answer

The power of accommodation of the eye decreases due to aging, this defect is called

asked Sep 14, 2017 by priyanka.c

1 answer

Which of the following hydroxides is most basic?

asked Sep 14, 2017 by meena.p

1 answer

Sodium is most likely to form a compound with which one of these elements?

asked Sep 14, 2017 by meena.p

1 answer

Which of the following is an example of a colloid?

asked Sep 14, 2017 by meena.p

1 answer

Order the following forms of matter from smallest to largest.

asked Sep 14, 2017 by meena.p

1 answer

Which of the following is not a source of waste water?

asked Sep 13, 2017 by priyanka.c

0 answers

In a filtration plant water is filtered using layer of

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following is a part of inorganic impurities of the sewage?

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following inhibits the seepage of rainwater into ground?

asked Sep 13, 2017 by priyanka.c

1 answer

Water cycle does not involve which of the following?

asked Sep 13, 2017 by priyanka.c

2 answers

Pollination refers to the

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following statements is/are true for sexual reproduction in plants? (i) Plants are obtained from seeds (ii) Two plants are always essential (iii) Fertilisation can occur only after pollination (iv) Only insects are agents of pollination Choose from the options given below

asked Sep 13, 2017 by priyanka.c

2 answers

Aquatic animals like fish excrete their wastes in gaseous form as

asked Sep 13, 2017 by priyanka.c

1 answer

Choose the odd one from the following options:

asked Sep 13, 2017 by priyanka.c

1 answer

The coldest region on earth is the

asked Sep 13, 2017 by priyanka.c

1 answer

Cud is the name given to the food of ruminants which is

asked Sep 13, 2017 by priyanka.c

1 answer

The enzymes present in the saliva convert

asked Sep 13, 2017 by priyanka.c

1 answer

The false feet of Amoeba are used for

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following raw material is available in the air for photosynthesis?

asked Sep 13, 2017 by priyanka.c

1 answer

Two organisms are good friends and live together. One provides shelter, water and nutrients while the other prepares and provides food. Such an association of organisms is termed as

asked Sep 13, 2017 by priyanka.c

1 answer

An element has an atomic number of 15 with which of the following elements will it show similar chemical properties.

asked Sep 13, 2017 by meena.p

1 answer

Which of the following gases can be used for storage of fresh sampel of an oil for a long time?

asked Sep 13, 2017 by meena.p

1 answer

Nail polish remover contains ?

asked Sep 13, 2017 by meena.p

1 answer

Conditions for equilibrium of concentration of reactant and products will be same if

asked Sep 13, 2017 by meena.p

1 answer

The system of a network of pipes used for taking away wastewater from homes or public buildings to the treatment plant is known as

asked Sep 13, 2017 by priyanka.c

1 answer

Strands of DNA are held together by

asked Sep 13, 2017 by meena.p

1 answer

Pick from the following one chemical used to disinfect water

asked Sep 13, 2017 by priyanka.c

1 answer

Methyl orange is

asked Sep 13, 2017 by meena.p

1 answer

Forests are not responsible for

asked Sep 13, 2017 by priyanka.c

1 answer

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be :

asked Sep 13, 2017 by meena.p

0 answers

In the reaction $2PbO + C \to 2Pb + CO_2$ (a) lead is getting reduced (b) carbon dioxide is getting oxidised (c) lead oxide is getting reduced. (d) carbon is getting reduced.

asked Sep 13, 2017 by meena.p

1 answer

Which of the products is not obtained from a forest?

asked Sep 13, 2017 by priyanka.c

1 answer

Addition of hydrogen to ethene forms

asked Sep 13, 2017 by meena.p

1 answer

"Every Drop Counts" is a slogan related to

asked Sep 13, 2017 by priyanka.c

1 answer

In magnetic separation, magnets are used to separate

asked Sep 13, 2017 by meena.p

1 answer

Which type of soil dries out quickly after a rain?

asked Sep 13, 2017 by priyanka.c

1 answer

Ask Questions, Get Answers