Chemistry Which of the following is the petroleum wax ? Paraffin wax Bees wax Carnauba wax Jojoba wax Paraffin wax Bees wax Carnauba wax Jojoba wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Experience collision less frequently Need less energy to move them Have negative charge Are lighter Experience collision less frequently Need less energy to move them Have negative charge Are lighter ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 4 2 5 3 4 2 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Methyl alcohol Ethyl formate Methane Acetylene Methyl alcohol Ethyl formate Methane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Bohr and Rutherford Volta Alfred Nobel Faraday Bohr and Rutherford Volta Alfred Nobel Faraday ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Does not follow a definite pattern Decreases Increases Remains unchanged Does not follow a definite pattern Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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