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Recent questions in Olympiad-Science

Questions >> Olympiad-Science

Olympiad-Science

If an object has a density of $3.6 g/mL $ and you put it into water, will it sink or float?

asked Sep 8, 2017 by meena.p

1 answer

The balancing of chemical equations is in accordance with:

asked Sep 8, 2017 by meena.p

1 answer

The charge/ mass ratio of electron:

asked Sep 8, 2017 by meena.p

1 answer

Dry ice on heating produces:

asked Sep 8, 2017 by meena.p

1 answer

A student is pouring equal amounts of water, maple syrup, and cooking oil into a glass beaker and looking at how the layers settle. Which property of the liquids is the student most likely comparing?

asked Sep 8, 2017 by meena.p

1 answer

The digestive juice without enzymes is

asked Sep 8, 2017 by priyanka.c

1 answer

Why does an atom have no net electric charge?

asked Sep 8, 2017 by meena.p

1 answer

Chlorophyll traps solar energy and converts it into

asked Sep 8, 2017 by priyanka.c

1 answer

The step not involved in the primary treatment of waste water

asked Sep 8, 2017 by priyanka.c

1 answer

The formula of ethanol is $C_2H_5 – OH$. What will be its molecular mass?

asked Sep 8, 2017 by meena.p

1 answer

The lighter particles that float during waste treatment are called

asked Sep 8, 2017 by priyanka.c

1 answer

The atomic number of sodium is 11 and its mass number is 23. It has

asked Sep 8, 2017 by meena.p

1 answer

Herbivores feed on

asked Sep 8, 2017 by priyanka.c

1 answer

Green plants are

asked Sep 8, 2017 by priyanka.c

1 answer

Which of the following is not the vegetative part of a plant?

asked Sep 8, 2017 by priyanka.c

1 answer

Brass is a solution of molten copper in

asked Sep 8, 2017 by meena.p

1 answer

The structural and functional unit of a kidney is

asked Sep 8, 2017 by priyanka.c

1 answer

The wall surrounding the heart is called

asked Sep 8, 2017 by priyanka.c

1 answer

Inhaled air has higher concentration of

asked Sep 8, 2017 by priyanka.c

1 answer

Main organ of respiration in human being is

asked Sep 8, 2017 by priyanka.c

1 answer

B horizon is also called

asked Sep 8, 2017 by priyanka.c

1 answer

Humans is made from dead and decaying _______ matter

asked Sep 8, 2017 by priyanka.c

1 answer

Polar bear is

asked Sep 8, 2017 by priyanka.c

1 answer

Latitudes are measured in

asked Sep 8, 2017 by priyanka.c

1 answer

Food is stored in plants as

asked Sep 7, 2017 by priyanka.c

1 answer

Chemical fertilizers, insecticides, pesticides are

asked Sep 7, 2017 by priyanka.c

1 answer

Living things and the environment together constitute the

asked Sep 7, 2017 by priyanka.c

1 answer

Young ones of their own kind are produced by

asked Sep 7, 2017 by priyanka.c

1 answer

In unicellular organisms, transpiration of materials takes place through

asked Sep 7, 2017 by priyanka.c

1 answer

When we exhale, the ribs

asked Sep 7, 2017 by priyanka.c

1 answer

Energy is released in the body by

asked Sep 7, 2017 by priyanka.c

1 answer

Soil contains

asked Sep 7, 2017 by priyanka.c

1 answer

If the relative humidity on a particular day is 98 per cent and the temperature falls suddenly, there are chances that the day would be

asked Sep 7, 2017 by priyanka.c

1 answer

Coolest time of the day is

asked Sep 7, 2017 by priyanka.c

1 answer

Which of the following teeth have similar functions?

asked Sep 7, 2017 by priyanka.c

1 answer

The salivary glands convert

asked Sep 7, 2017 by priyanka.c

1 answer

In which organ does digestion does not take place?

asked Sep 7, 2017 by priyanka.c

2 answers

Which of the following is an insectivorous plant?

asked Sep 7, 2017 by priyanka.c

1 answer

The green pigment found in the leaves of the plant is

asked Sep 7, 2017 by priyanka.c

1 answer

Organisms need food to

asked Sep 7, 2017 by priyanka.c

1 answer

Which of the following compounds when dissolved in water gives coloured solution ?

asked Sep 7, 2017 by meena.p

1 answer

The number of electrons presents in $H^+$ is

asked Sep 7, 2017 by meena.p

1 answer

The major constituent of air is

asked Sep 7, 2017 by meena.p

1 answer

In sugar solution,

asked Sep 7, 2017 by meena.p

1 answer

As compared to beryllium, magnesium is

asked Sep 7, 2017 by meena.p

1 answer

The gas used for artificial ripening of green fruit is

asked Sep 7, 2017 by meena.p

1 answer

The material which can be deformed permanently by heat and pressure is called a

asked Sep 7, 2017 by meena.p

1 answer

The isotope deuterium of hydrogen has

asked Sep 7, 2017 by meena.p

1 answer

Elements with more than 1 energy level will lose, gain or share electrons until they have _____________ valence electrons.

asked Sep 7, 2017 by meena.p

1 answer

Batman and Robin were studying physical and chemical properties of matter. They determined that the mass of a sample was 50 grams. Which sentence best states how mass describes matter?

asked Sep 7, 2017 by meena.p

1 answer

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