what is threshing give example

1.how will you seprate immiscible liquids

2.list any five charestricsofliving organisms

3.name the method to use sand and water

i want the answers only rom the science expert ankita aarwal

 Hots Questions : Think and answer.

1. A bottle contains either salt to chalk. How will you find out what it has, without tastion it?
2. Think and write how you will separate a mixture of water, sand, salt and iron filings. You may have to use a method not given in the chapter to separate sand and iron filings. Think -- which property of iron can be used for this?
3. A mixture of salt and sugar is prepared by grinding then together. Do the molecules of the salt and sugar undergo any change?
4. A Saturated solution of sugar in water is prepared. The temperature of water is lowered by 5⁰C. Will the solution continue to be saturated ? Give reasons.
5. Sea water has salt dissolved in it. You know that pure water can be obtained from sea water by distillation. However, this method is not used to get drinking water from sea water. What do you think is the reason?

b. Filtration

• how will we separate a mixture of common salt and mustard seed

give two example of threshing , winowing , sieving , sedimentation , decantation , filtaration , expansion , contration and melting

Is VINEGAR soluble or insoluble in water?

Q1-how can we separate petrol from water .draw and explain it?

Q2-Riya was asked to separate dust and water .Also draw a well labled diagram

Q3-Mohan was given mango juice.Name the solute and solventin the mago juice.Mohan added 15 spoons of sugar for half litre .It is a saturated or unsaturated solution.Explain by giving a suitable reason.

YOU MUST HAVE OFTEN NOTICED THAT SKY BECOMES CLEAR AFTER THE FIRST RAIN. CAN YOU EXPLAIN WHY ?

What is decantation

what is meant by miscible and immiscible liquids ? i want in simple english