Chemistry The method that cannot be used for removing permanent hardness of water is distillation adding sodium carbonate boiling adding caustic soda distillation adding sodium carbonate boiling adding caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an None of these Electrical change Physical change Electrochemical change None of these Electrical change Physical change Electrochemical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of neutrons in the nucleus The number of protons in its nucleus The number of electrons orbiting around the nucleus The number of nucleons in the nucleus The number of neutrons in the nucleus The number of protons in its nucleus The number of electrons orbiting around the nucleus The number of nucleons in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The least preferred technique in the disposal of Municipal Solid Waste is Incineration Bricketting Land filling Composting Incineration Bricketting Land filling Composting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bridgmanite is A bridge on the river Thames Name of a game Earth’s most abundant minera Name of a music A bridge on the river Thames Name of a game Earth’s most abundant minera Name of a music ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Siderite Haematite Magnetite Limonite Siderite Haematite Magnetite Limonite ANSWER DOWNLOAD EXAMIANS APP
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