Chemistry Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium B, D and E A, C and E A and C A, B, C, D and E B, D and E A, C and E A and C A, B, C, D and E ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : 2-methyl heptane N-heptane 2,2-dimethyl hexane Iso-octane 2-methyl heptane N-heptane 2,2-dimethyl hexane Iso-octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change Physical change Electrical change None of these Electrochemical change Physical change Electrical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 19 53 36 17 19 53 36 17 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can never be positive Will always be positive Can have any value above zero Cannot be negative Can never be positive Will always be positive Can have any value above zero Cannot be negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Calcium Soap Foam Salt Calcium Soap Foam Salt ANSWER DOWNLOAD EXAMIANS APP
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