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Yogita Ingle 7 years, 1 month ago
The value of g on earth is maximum at poles and decreases as we go from poles to the equator and is minimum at the equator. also g decreses as we increase or decrease the distance of a body from the centre of the earth.
Posted by Dheeraj Kushwaha 7 years, 1 month ago
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Shreyas Joshi 7 years, 1 month ago
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Yogita Ingle 7 years, 1 month ago
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Algae |
Fungi |
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The term originated originated from Latin and it means “Seaweed” |
Originated in Latin and it means “mushroom” |
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Algae belong to the Kingdom Protista |
Fungi were once classified under Kingdom protista, but are now classified under their own kingdom – Fungi |
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Algae are autotrophic organisms |
Are usually heterotrophic. They prefer dead organic matter. |
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Strictly exists in bodies of water or any environment with high moisture content |
Found almost everywhere, including deserts and frigid environments |
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Are not parasitic |
Some members are parasitic |
Posted by Kuhoo ????? 7 years, 1 month ago
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Yogita Ingle 7 years, 1 month ago
Immunization is a way of protecting against serious diseases. Once we have been immunized, our bodies are better able to fight these diseases if we come into contact with them. It is the process by which an individual's immune system becomes fortified against the pathogens or Immunization is a way of protecting our body against serious diseases. Once we have been immunized, our bodies are better able to fight these diseases if we come into contact with them any time in future.
Posted by Kunal Bansal 7 years, 1 month ago
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Yogita Ingle 7 years, 1 month ago
Parenchyma living cells are found in the soft parts of the plants, i.e., root, stem, leaves, flowers, and fruits. Parenchyma makes the largest portion of a plant body. Parenchyma mainly works are packing material in plant parts.
Sclerenchyma: The cell wall in sclerenchyma is highly thickened all around. The cells are dead and intercellular space is absent. Sclerenchyma provides structural rigidity to plant parts. Bark is composed of sclerenchyma. Another example of sclerenchyma can be seen in the coconut husk.
Sakshi Rajput 7 years, 1 month ago
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Yogita Ingle 7 years, 1 month ago
The position of d-block elements is in between the s-block and p-block elements in the periodic table. These d-block elements are called transition elements because they exhibit transitional behaviour between s-block and p-block elements.
Their properties are transitional between highly reactive metallic elements of s-block which are typically ionic compounds and the elements of p-block which are largely covalent.
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Yogita Ingle 7 years, 1 month ago
U-235 is the most easiest fissionable isotope but in commercial nuclear power plants , U-238 is used in maximum amount.
Posted by Aalok_7862 Jaimatadi 7 years, 1 month ago
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Yogita Ingle 7 years, 1 month ago
Chemical formula of a compound is the symbolic representation of its atomic constituents. In other words, a chemical formula represents the composition of a molecule in terms of the symbols of the elements present in that molecule.
To write the chemical formula of a compound, one should have prior knowledge of two things:
The symbols of the constituent elements
The combining capacity (valency) of each atom or ion constituting the compound
Posted by Aalok_7862 Jaimatadi 7 years, 1 month ago
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Yogita Ingle 7 years, 1 month ago
Mole is the measurement in chemistry. It is used to express the amount of a chemical substance.
One mole is defined as the amount of substance of a system which contains as many entities like, atoms, molecules and ions as there are atoms in 12 grams of carbon - 12".
Avogadro number:
The number of the particles present in one mole of any substance = 6.022x1023. This is called avogadro’s number or Avogadro’s constant.
No. Of particles in 1 mole:
1 mole of hydrogen atoms represents 6.022 × 1023 hydrogen atoms.
1 mole of hydrogen molecules represents 6.022 × 1023 hydrogen molecules.
1 mole of water molecules represents 6.022 × 1023 water molecules.
Posted by Raj Patil 7 years, 1 month ago
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Yogita Ingle 7 years, 1 month ago
The molecular formula is the formula derived from molecules and is representative of the total number of individual atoms present in a molecule of a compound. For example, the molecular formula of aspirin is C9H8O4.
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(i) Atomic Number : The number of protons present in the nucleus of an atom is called atomic number. It is denoted by Z. e.g: 
i.e., atomic number = 20
(ii) Mass Number: The sum of the number of protons and neutrons present in the nucleus of an atom is called mass number. It is denoted by A. e.g. i.e., mass number = 40
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Shreyas Joshi 7 years, 1 month ago
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