Recent questions in Olympiad-Science

When a piece of paper burns, it undergoes

asked Nov 9, 2017 by meena.p

1 answer

While preparing chapathis, Sneha found the flour to be used was mixed with wheat grains. Which of the following is the most suitable method to separate the grains from the flour?

asked Nov 9, 2017 by meena.p

1 answer

In the process of electrolysis, what does reduction mean?

asked Nov 9, 2017 by priyanka.c

1 answer

In the process of electrolysis of water, what happens at the anode ?

asked Nov 9, 2017 by priyanka.c

1 answer

What are the materials that do not allow the flow of electricity through them called ?

asked Nov 9, 2017 by priyanka.c

1 answer

In a closed container, fluid pressure is caused by _______.

asked Nov 9, 2017 by priyanka.c

1 answer

Pia brought some vegetables such as French beans, lady’s finger, green chillies, brinjal and potato all mixed in a bag. Which of the following methods of separation would be most appropriate for her to separate them?

asked Nov 9, 2017 by meena.p

1 answer

The air pressure is at it's highest at _______.

asked Nov 9, 2017 by priyanka.c

1 answer

Tiny stones can be removed from rice by

asked Nov 9, 2017 by meena.p

1 answer

The materials used for making a safety pin are

asked Nov 9, 2017 by meena.p

1 answer

According to the law of reflection, the incident ray, the reflected ray and the point of reflection all lie _______.

asked Nov 9, 2017 by priyanka.c

1 answer

Which optic nerve cell is sensitive to bright light ?

asked Nov 9, 2017 by priyanka.c

1 answer

An iron nail is kept in each of the following liquids. In which case would it lose its shine and appear dull?

asked Nov 9, 2017 by meena.p

1 answer

In multiple reflection, if the angle between the mirror is decreased then the number of images formed is ________.

asked Nov 9, 2017 by priyanka.c

1 answer

A material that is hard, lighter than water and does not dissolve in water is

asked Nov 9, 2017 by meena.p

1 answer

Today, the major producer of silk is

asked Nov 9, 2017 by meena.p

1 answer

Whether stars produce their own light ?

asked Nov 9, 2017 by priyanka.c

1 answer

The correct sequence of making fibre is

asked Nov 9, 2017 by meena.p

0 answers

Silk is obtained from the caterpillars of

asked Nov 9, 2017 by meena.p

1 answer

Which of the following is not a celestial body?

asked Nov 9, 2017 by priyanka.c

1 answer

Many sailors who travelled with Vasco dagama died during their voyage due to

asked Nov 9, 2017 by meena.p

1 answer

What is the maximum amplitude of sound a human can hear ?

asked Nov 9, 2017 by priyanka.c

1 answer

Vitamin that is formed when exposed to the sunlight is

asked Nov 9, 2017 by meena.p

1 answer

What differentiates the voice of men, women and children ?

asked Nov 9, 2017 by priyanka.c

1 answer

What happens when the number of protons in an atom equals the number of electrons in it?

asked Nov 9, 2017 by priyanka.c

1 answer

To treat anaemia, it is important to prevent

asked Nov 9, 2017 by meena.p

1 answer

How does a ship float on water?

asked Nov 9, 2017 by priyanka.c

1 answer

What is the friction that exists between a stationary object and the surface on which it's resting called?

asked Nov 9, 2017 by priyanka.c

1 answer

How do metals conduct electricity ?

asked Nov 9, 2017 by priyanka.c

1 answer

What are electrons made up of ?

asked Nov 9, 2017 by priyanka.c

1 answer