In fireworks,the green flame is produced because of __________?

Related Mcqs:

1. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ?

   A. Ionosphere
   B. Troposphere
   C. Mesosphere
   D. Stratosphere
   E. None of these

2. The Green House Effect is caused by an excess of ?

   A. Carbon dioxide
   B. Carbon monoxide
   C. Carbon tetrachloride
   D. None of the above

3. Which gas is used for artificial ripening of green fruit ?

   A. Carbon dioxide
   B. Acetylene
   C. Ethane
   D. Ethylene

   Submitted by: Malik Asghar Hussain

4. Red + Green + Blue = ________?

   A. Maroon
   B. White
   C. Black
   D. None of the above

   Submitted by: Nisa

5. Red-green colour blindness in a man is known as:

   A. Prolanopia
   B. Deuteranopia
   C. both a&b
   D. Marfan’s syndrome

   Submitted by: Tasawar Hussain channa

6. If the green leaves are placed under red light, their color will become________?

   A. Green
   B. Black
   C. Red
   D. Blue

   Submitted by: Syed Rameez ul Hassan

7. “Green House Effect” means:____________?

   A. Pollution
   B. Prevention of ultraviolet rays
   C. Trapping of Solar energy due to atmospheric carbon dioxide
   D. D. None

   Submitted by: Shahzeb Malik

8. The _______ test is a color perception test for red-green color deficiencies.

   A. Hemiplegia
   B. Ishihara
   C. Lalopathy
   D. None of the above

   Submitted by: Naveed Tahir

9. Which of the gas is not known as green house gas?

   A. Methane
   B. Nitrous oxide
   C. Carbon dioxide
   D. Hydrogen

   Submitted by: Farjan Ahmed Soomro

10. Urine is produced in __________?

    A. Kidneys
    B. Lungs
    C. Large intestine
    D. Liver