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  Hello Everyone ,  Now I am going to give a brief description of water  Firstly we discuss:  what is water? what is hard water and soft water? ..WATER. Water is an inorganic, transparent, tasteless, odourless, and colourless chemical substance. which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms.  Water is  composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states. Notes. Water is the only liquid that is density in a solid. Due to this, the ice is floating on water because is density 9%less than the water.  Hard water and Soft water👇👇👇👇👇 Water  is categorised into two  types . They are  hard water and soft water . These two  types  are not differentiated based on their touch and feel or appearance Hard water... is water that contains an appreciable quantity of dissolved minerals (like calcium and magnesium). Soft water... is treat...

Interesting    Fact and Knowledge.................................................Gain....>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 1. IN 1889, THE QUEEN OF ITALY, MARGHERITA SAVOY, ORDERED THE FIRST PIZZA DELIVERY. 2. YOU CAN BUY EEL FLAVORED ICE CREAM IN JAPAN. 3. IT'S CONSIDERED RUDE TO WRITE IN RED INK IN PORTUGAL. 4. ALTHOUGH THE BOBCAT IS RARELY SEEN, IT IS THE MOST COMMON WILDCAT IN NORTH AMERICA. 5. A CAT'S TAIL CONTAINS NEARLY 10 PERCENT OF ALL THE BONES IN ITS BODY. 6. GECKO FEET HAVE MILLIONS OF TINY HAIRS THAT STICK TO SURFACES WITH A SPECIAL CHEMICAL BOND AND LET THEM CLIMB WALLS AND HANG ON BY JUST ONE TOE. 7. THE TERM "ASTRONAUT" COMES FROM GREEK WORDS THAT MEAN "STAR" AND "SAILOR." 8. THE CALCIUM IN OUR BONES AND THE IRON IN OUR BLOOD COME FROM ANCIENT EXPLOSIONS OF GIANT STARS. 9. THE NILE CROCODILE CAN HOLD ITS BREATH UNDERWATER FOR UP TO TWO HOURS WHILE WA...