Recent questions tagged science

Stainless steel pans are provided with copper bottom because

asked Aug 10, 2017 by meena.p

1 answer

Some acids react with many materials and burn skin if they come in contact they are

asked Aug 10, 2017 by meena.p

1 answer

Haphazard movement of particles suspended in a liquid or gas caused by bombardment of particles by molecules of medium is

asked Aug 10, 2017 by meena.p

1 answer

At room temperature, most elements are in which phase of matter?

asked Aug 10, 2017 by meena.p

1 answer

Salt, sugar, chalk, sand are all

asked Aug 10, 2017 by meena.p

1 answer

Nitric acid combines with oxygen to produce brown fumes of

asked Aug 10, 2017 by meena.p

1 answer

When a solid substance is heated, individual molecules

asked Aug 10, 2017 by meena.p

1 answer

On a hot day, a glass containing ice water slowly collects liquid on the outside of the glass. Which statement best explains where this liquid come from?

asked Aug 10, 2017 by meena.p

1 answer

A group of students predicts that folding an index card into a different shape will result in a chemical change. Which step of the scientific process is this?

asked Aug 10, 2017 by meena.p

1 answer

Which gas in the atmosphere protects us from harmful ultraviolet radiations?

asked Aug 10, 2017 by meena.p

1 answer

To study changes that occur during photosynthesis

asked Aug 10, 2017 by meena.p

1 answer

To trace path of phosphorus, isotope of phosphorus is added to fertilizers. isotope is

asked Aug 10, 2017 by meena.p

1 answer

Study the given set up of an experiment . you will observe that

asked Aug 10, 2017 by meena.p

0 answers

A separation technique which uses a fractionating column to separate different liquid components in a mixture with different boiling points by heating mixture is called

asked Aug 9, 2017 by meena.p

1 answer

The temperature at which no more energy can be removed from matter is called

asked Aug 9, 2017 by meena.p

1 answer

Acids are found in many common chemicals, including foods. Acids taste:

asked Aug 9, 2017 by meena.p

1 answer

The effect of sting of an ant can be neutralised by rubbing with

asked Aug 9, 2017 by meena.p

1 answer

In hydroponics, plant's roots are immersed in solution of dissolved

asked Aug 9, 2017 by meena.p

1 answer

When fizzy drinks are made by adding compressed carbon dioxide acid is formed by mixing which is

asked Aug 9, 2017 by meena.p

2 answers

If mass of a substance will be lowered its density will be

asked Aug 9, 2017 by meena.p

2 answers

Element which is non-metal and is found on right side of periodic table is

asked Aug 9, 2017 by meena.p

1 answer

When iron and Sulphur are mixed together at room temperature there is lack of

asked Aug 9, 2017 by meena.p

1 answer

A large amount of heat is produced in power plants while energy is released which turns

asked Aug 9, 2017 by meena.p

2 answers

Which gas is produced when sludge is digested?

asked Aug 9, 2017 by meena.p

1 answer

An iron weight at $45$ degree celcius is dipped in a bucket containing water at $45$ degree celcius . The heat will

asked Aug 9, 2017 by meena.p

1 answer

The densest element so far is

asked Aug 9, 2017 by meena.p

1 answer