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There are some questions about glutaraldehyde. Through these, the basic knowledge of glutaraldehyde can be better understood. If you are not sure about the true answers to these questions, you can send us an email.

1. Glutaraldehyde (C5H8O2) is widely used in disinfection. Which of the following statements about glutaraldehyde is true?

  • A. Glutaraldehyde is composed of 15 elements;
  • B. The glutaraldehyde molecule contains 5 carbon atoms, 4 hydrogen molecules, and 1 oxygen molecule;
  • C. The relative molecular mass of glutaraldehyde is 100g;
  • D. The mass fraction of carbon in glutaraldehyde is 60%;

2. Glutaraldehyde (C5H8O2) is a highly effective disinfectant. Which of the following statements about glutaraldehyde is not ture?

  • A. Glutaraldehyde is an organic polymer compound;
  • B. Glutaraldehyde is composed of three elements: carbon, hydrogen and oxygen;
  • C. The atomic ratio of carbon, hydrogen and oxygen in glutaraldehyde is 5:8:2;
  • D. The relative molecular mass of glutaraldehyde is 100;

3. Glutaraldehyde (C5H8O2) is a highly effective disinfectant. Which of the following statements about glutaraldehyde is not true?

  • A. Glutaraldehyde is composed of three atoms of carbon, hydrogen and oxygen;
  • B. Glutaraldehyde is composed of three elements: carbon, hydrogen and oxygen;
  • C. The atomic ratio of carbon, hydrogen and oxygen in the glutaraldehyde molecule is 5:8:2;
  • D. The relative molecular mass of glutaraldehyde is 100;

4. Glutaraldehyde (C5H8O2) is a highly effective disinfectant against “bird flu”. Which of the following statements is not true?

  • A. Glutaraldehyde is an organic compound;
  • B. Glutaraldehyde is composed of three elements: carbon, hydrogen and oxygen;
  • C. The mass ratio of carbon, hydrogen and oxygen elements in glutaraldehyde is 5:8:2;
  • D. The mass fraction of carbon element in glutaraldehyde is the highest;

5. Glutaraldehyde (chemical formula C5H8O2) is known as the third milestone in the development history of chemical disinfectants and is widely used in the disinfection of medical equipment, hotel towels and bath towels. Which of the following statements about glutaraldehyde is not true?

  • A. Glutaraldehyde is composed of three elements: carbon, hydrogen and oxygen;
  • B. The glutaraldehyde molecule contains 5 carbon atoms, 8 hydrogen atoms and 2 oxygen atoms;
  • C. The relative molecular mass of glutaraldehyde is 100;
  • D. Disinfected towels must be rinsed before use;

6. H7N9 avian influenza virus, like other influenza viruses, can be easily killed by ordinary disinfectants. Glutaraldehyde (C5H8O2) is a highly effective disinfectant. Which of the following statements about glutaraldehyde is not true?

  • A. Glutaraldehyde is an oxide;
  • B. Glutaraldehyde is composed of three elements: carbon, hydrogen and oxygen;
  • C. The atomic ratio of carbon, hydrogen and oxygen in the glutaraldehyde molecule is 5:8:2;
  • D. The relative molecular mass of glutaraldehyde is 100g;

7. H7N9 avian influenza virus, like other influenza viruses, can be easily killed by ordinary disinfectants. Glutaraldehyde (C5H8O2) is a highly effective disinfectant. Which of the following statements about glutaraldehyde is not true?

  • A. Glutaraldehyde is an oxide;
  • B. Glutaraldehyde is composed of three elements: carbon, hydrogen and oxygen;
  • C. The atomic ratio of carbon, hydrogen and oxygen in glutaraldehyde is 5:8:2;
  • D. The mass fraction of hydrogen element in glutaraldehyde is 8%;

8. The figure shows the experimental results of the effect of different concentrations of glutaraldehyde on the respiration of two submerged plants, Ficus dandelion and Banana grass. Which of the following analysis is true?

figure-1    figure-2

  • A. Each group of this experiment should be carried out under the same temperature and light conditions;
  • B. The respiration rate of the two plants is increasing as the concentration of glutaraldehyde increases;
  • C. Oxygen combines with NADPH produced in other stages to obtain product water;
  • D. If the ordinate represents the pH of the water body, the change trend of the curve in the figure is opposite;

 

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Which of the Following is not True of Glutaraldehyde?