Practice Questions

TLS Online TPP Program

#Question id: 10336

methemoglobinemia, a disease, What will cause inside the human body?

#XL - Q Biochemistry

It convert nitrate into nitrosamines, which are potent carcinogens
In infant methemoglobinemia is also called “blue baby syndrome”
The liver reduces nitrate to nitrite, which combines with hemoglobin and renders hemoglobin unable to bind oxygen
Reduction of nitrate into ammonia, which combines with myoglobin and caused unable to bind with the oxygen

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TLS Online TPP Program

#Question id: 19660

#XL - P Chemistry

When ethanol combines with PCl5, it produces three products: chloroethane, hydrochloric acid, and ______. What is the third item on the list?

TLS Online TPP Program

#Question id: 19661

#XL - P Chemistry

Which of the following substances has the highest melting point?

TLS Online TPP Program

#Question id: 19662

#XL - P Chemistry

Which sequence should isomeric dichlorobenzenes be boiled in?

TLS Online TPP Program

#Question id: 19663

#XL - P Chemistry

Which of the following statements about the interaction between C2H4 and Cl2 in CCl4 is incorrect?

TLS Online TPP Program

#Question id: 19664

#XL - P Chemistry

To get carboxylic acids directly from alcohol, which of the following oxidising agents is used?

TLS Online TPP Program

#Question id: 19665

#XL - P Chemistry

When phenol reacts with bromine water, what is the result?