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Name the instrument used to control current in an electric circuit

The instrument which is used to control current in an electric circuit is rheostat.... View Article

Name the process of separation of mixture into a column of adsorbent.

Separation of mixture into a column of adsorbent is known as Column Chromatography.... View Article

Name the metal which can be purified by distillation process ?

Distillation method is used for refining low boiling metals like Zinc and Mercury.... View Article

In emulsion what is the state of dispersed phase and dispersion medium?

In emulsion,both dispersed phase and dispersion medium are present in liquid state... View Article

What are the three elements known as that were classified by the Johann Dobereiner?

Johann Dobereiner classified elements in group of three elements called as triads.... View Article

In which forests do we find both softwood and hardwood trees?

In Temperate evergreen forests we find both the softwood as well as the hardwood.... View Article

In which case does a single cell constitute a whole organism?

The organism Chlamydomonas has only one cell and hence is a unicellular organism. The cells of most Chlamydomonas species are more or less oval... View Article

What does the transparent layer covering the exposed part of the eye called as?

Transparent layer covering the exposed part of the eye is called as conjunctiva.... View Article

In the test of nitrogen the Prussian blue color formed is of:

In the test of nitrogen the Prussian blue color formed is of Ferriferrocyanide.... View Article

A block of mass 50 kg is pulled up a slope with constant speed by applying an external force of 20 kgf parallel to the slope. The block moves through a distance of 4 m along the slope.i) What is the work done by the external applied force? ii) What is the energy stored when it reaches the vertical height of 3m (g = 10m/s2)

i) W = F ´ s = (20 ´ 10) ´ 4 = 800J ii) Potential Energy = 50 ´ 10 ´ 3 = 1500J... View Article

Reaction of granulated zinc with dil HCl results in formation of_________

Answer: The reaction of granulated zinc with dil HCl results in the formation of dihydrogen. The reaction between zinc metal and HCl Zn + HCl... View Article

Lower portion of brain that extends downwards into spinal cord is called:

Medulla region of hind-brain is continuous and extends into the spinal cord.... View Article

What does a slope of velocity-time graph giive?

The slope of velocity-time graph gives the acceleration, that is, a = v-u/t... View Article

How many atoms are present in end centred cubic unit cell?

We know that in end-centred cubic unit cell, 8 atoms are located on 8 corners of the cube and 1 atom each is present on two opposite faces of the... View Article

Select the aliphatic saturated hydrocarbon from the given list of hydrocarbons.

C5H12 is the molecular formula of Pentane which is a saturated hydrocarbon.... View Article

In Mendeleev’s periodic table, the groups were divided into how many subgroups?

The periodic table is composed of seven horizontal rows or periods and is numbered between 1 and 7. Elements are arranged in the periodic table... View Article

An oxide that combines with water to give an acid is termed:

An oxide that combines with water to give an acid is termed acidic oxide.... View Article

In an electrolytic cell the signs of the cathode and anode are

In an electrolytic cell, the anode is positive and cathode is negative.... View Article

On what basis the laws of chemical combinations can be explained?

Dalton's atomic theory could explain the laws of chemical combinations.... View Article

Biological catalysts (enzymes) belong to which of the following class of molecules?

Enzymes are nitrogenous organic compounds generally made of proteins.... View Article

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