A. Fill in the blanks. 1. A Compound is a substance made up of two or more types of elements combined chemically in a definite proportion 2. The atomicity of an element is the term for the number of atoms present in it. 3. The constituents of a mixture can be separated by simple physical methods. 4. A Siones is used to separate stones from the sand at construction sites. is the process in which the rate of sedimentation is increased by the addition of a chemical substance. 6. Salt is extracted from sea water by means of 5. Jooding is the process in which the rate of Evaporation B. Match the following: 1. Separating iodine and sand a. Magnetic separation 2. Industrial cranes in dump yards use b. Filtration 3. Separating sand and water c. Sublimation 4. Separating chalk powder from water d. Loading 5. Separating heterogenous solid-liquid e. Sedimentation mixture
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what are the subjects in B. E in biotechnology?
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