3. Write the
properties of these
substances.
Water, glass, chalk, iron ball, sugar,
salt, flour, coal, soil, pen, ink, soap.
Answers
Explanation:
1)water is polar, water is an excellent solvent
2)glass is heat resistance, glass is transparent
3)chalk is a non plastic carbonates sedimentary rock, it is soft fine grainey and easily pulverized
4) thermal expansion, specific heat
5) sugar is sweet in taste, sugar enhances flavor
6) salt is soluble in water, salt is transparent and colourless
7) flour produces gluten, flour contains protein
8) coal is moisture, coal is fixed carbon
9) soil include porosity, soil include water holding capacity
10) pen should feel smooth, pen should be capless roller pen
11) ink optical properties, ink has structural properties
12) soaps are water soluble sodium, soaps are made of fatty acids
hope this helps you out
I have given two properties of each
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Answer:
The properties of the given substances are:
1 Water: The properties of substance like water is like the transparent in nature with heavy density than plastic.
2 Glass: Glass is made of sand being heated to long terms and heavy temperature.
3 Chalk: Chalk is the limestone , the sedimentary carbonate rock.
Iron Ball: The iron ball is the used in the accupressure as the hand muscle agent.
4 Sugar: Sugar is used as sweetener and salt is used as sour agent. The sugar is carbohydrate rich.
5 Salt: The salt is sodium chloride compound. Flour may be wheat flour and rice flour.
Wheat: The wheat flour is used as roti or chapati. The rice flour is used as steamed rice cake.
6 Coal: The coal is the heating agent or oil for engine. They are obtained from coal mines.
7 Soil: The soil is the anchor and water-nutrient rich agent for trees. They are required for growth of plant.
8 Pen: Pen is used for projecting the idea or for other purpose, it had the refill ink.
To know more:
Explanation: HOP IT IS HELPFUL