Identify the solutions among the following mixtures.
(a)Soil
(b)Sea water
(c) Air
(d)Coal
(e) Soda water.
1 Answers
Talk Doctor Online in Bissoy App
Abhi's mother bought 8 boxes of soda for a party . There were 24 cans in each box . How many cans of soda did his mother buy altogether ?
Number of boxes of soda can Abhis's mother bought = 8 Number of cans each box contain = 24 Total number of cans Abhi's mother bought for party = 24×8=192 So, she bought...
1 Answers 1 views
Which among the above can grow on stones; and also help in formation of soil? Write the mode of their action for making soil.
Lichens and Mosses (a) and (b). Lichens and mosses release substances which break down the stones resulting in the formation of soil.
1 Answers 1 views
How are living organisms dependent on the soil? Are organisms that live in water totally independent of soil as a resource?
Almost all living organisms are dependent on soil. Some depend directly, while some depend indirectly. Plants need soil for getting support as well as nutrients to prepare their food. On...
1 Answers 1 views
Identify and state the type of transformation of energy in the following cases: (a) When coal is burnt. (b) In a thermal power plant
(a) Chemical energy stored in coal is converted to heat energy. (b) Chemical energy of fuel is first converted into heat energy than to kinetic energy and finally to electrical energy.
1 Answers 1 views
Classify each of the following as a homogeneous or heterogeneous mixture: soda water, wood, air, soil, vinegar, filtrated tea.
Homogeneous mixture - soda water, air, vinegar, filtered tea. Heterogeneous mixture - wood, soil.
1 Answers 1 views
Classify the following into elements, compounds and mixtures. (a) Sodium (b) Soil (c) Sugar solution
Elements - sodium, silver, tin, silicon. Compounds - calcium carbonate, methane, carbon dioxide. Mixtures - soil, sugar solution, coal, air, soap, blood.
1 Answers 1 views
Which one of the following is NOT a factor of soil formation? Time, Soil texture, Organic matter
Answer: (b) Soil texture
1 Answers 1 views
Mixtures of red chilli powder in water, butter in water, petrol in water, and honey in water were given to Radha,
Raveena has got a solution because honey will dissolve in water.
1 Answers 1 views
Among the following mixtures, dipoledipole as the major interaction, is present in.
(b) : Dipole-dipole interactions occur among the polar molecules. Polar molecules have permanent dipoles. The positive pole of one molecule is thus attracted by the negative pole of the other molecule....
1 Answers 1 views
Sea divers go deep in the sea water with a mixture of which of the following gases (a) O2 and He
(a) Breathing mixture is (O2 + He)
1 Answers 1 views