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Sia ? 4 years, 8 months ago
Atoms are the basic building blocks of ordinary matter. Atoms can join together to form molecules, which in turn form most of the objects around you. Atoms are composed of particles called protons, electrons and neutrons.
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Yogita Ingle 5 years, 6 months ago
Marble is a mixture.
Because marble are not homogeneous and therefore not pure substances or compounds. They are called mixtures. Mixtures are defined as matter which consists of two or more substances mixed together. A mixture can be either homogeneous or heterogeneous.
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Royal Thakur 5 years, 6 months ago
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Carry Minati 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
Polar Molecules: A polar molecule is usually formed when the one end of the molecule is said to possess more number of positive charges and whereas the opposite end of the molecule has negative charges, creating an electrical pole. When a molecule is said to have a polar bond, then the centre of the negative charge will be one side, whereas the centre of positive charge will be in the different side. The entire molecule will be a polar molecule.
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Seraj Ali ??? #Srhmk 5 years, 6 months ago
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Posted by Royal Thakur 5 years, 6 months ago
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Gaurav Seth 5 years, 6 months ago
Metallurgy
The scientific principles and the physical and chemical processes that are applied to obtain pure metals from their ores are known as metallurgy.
In other words, the process used for the extraction of metals in their pure form from their ores is referred to as metallurgy.
The extraction of a metal from its ore depends on:
1. The type of ore being used.
2. The nature of the impurities present in the ore.
3. The degree of the reactivity of the metal that is to be extracted.
Posted by Nishant Sharma 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
The intermolecular forces of attraction that are present in solids are very strong. The constituent particles of solids have fixed positions i.e., they are rigid. Hence, solids have a definite volume
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Royal Thakur 5 years, 6 months ago
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Carry Minati 5 years, 6 months ago
1Thank You