IL Answer the following Question in one Sentences
1 What is meant by the water table of a region?
2 What is meant by potable water?
3. Which surface a concave mirror is silvered?
4. Write the chemical formula of any one compound.
5. Name the state of water.
6. Which surface of a concave mirror is silvered?
7. Which device allows us to break and complete an electric circuit?
8. Give an example of a unisexual flower.
9. Which is the female reproductive part of a flower?
10. State a method of increasing the strength of an electromagnet.
Answers
Explanation:
1) The water table is an underground boundary between the soil surface and the area where groundwater saturates spaces between sediments and cracks in rock. Water pressure and atmospheric pressure are equal at this boundary.
2)Potable water is defined as water that is suitable for human consumption (i.e., water that can be used for drinking or cooking). ... Drinking water standards in the USA are developed by the US Environmental Protection Agency (EPA) as directed by the Safe Drinking Act of 1974.
3)concave mirrors are silvered from the inside portion of the sphere .
4)1Acetic acid formula - CH3COOH
2 Aluminium hydroxide formula - Al(OH)3
3 Acetate formula - CH3COO-
4 Acetone formula - C3H6O
5 Aluminium acetate formula - Al2O(C2H3O2)4
6 Aluminum bromide formula - AlBr3
7 Aluminum carbonate formula - Al2(CO3)3
8 Aluminum chloride formula - AlCl3
9 Aluminum fluoride formula - AlF3
10 Aluminum formula - Al
5)
Water can occur in three states: solid (ice), liquid, or gas (vapor). Solid water—ice is frozen water. When water freezes, its molecules move farther apart, making ice less dense than water.
6)
concave mirrors are silvered from the inside portion of the sphere .
7)A switch is an electric device that is used to complete or break an electric circuit.
8) Unisexual flowers: Coconut flowers, Papaya, Watermelon, Cucumber, Maize, White mulberry, Musk melon,Castor bean, Marrow, Luffa, Snake gourd, Bitter gourd, Tapioca, Pumpkin, American holly, Birch, Pine, Gopher purge, Tungoil bean.
9)Pistils: Female Reproductive Organs
The pistil includes an ovary (where the ovules are produced; ovules are the female reproductive cells, the eggs), and a stigma (which receives the pollen during fertilization).
10) The strength of an electromagnet can be increased by increasing the number of loops of wire around the iron core and by increasing the current or voltage. You can make a temporary magnet by stroking a piece of iron or steel (such as a needle) along a permanent magnet.
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