Which of the following is used in photography?

Related Mcqs:

1. When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

   A. Bromine
   B. Chlorine
   C. Fluorine
   D. Iodine

2. Which of following metals can be displaced by all other metals from its solution ?

   A. Ag
   B. A
   C. Au
   D. Cu

3. Which one of the following is a buffer solution ?

   A. brine
   B. blood
   C. glue
   D. solution of CuSO4

4. Which one of the following fertilizers provides the nitrogen and phosphorus to the plant ?

   A. urea
   B. calcium superphosphate
   C. diammonium phosphate
   D. potassium nitrate

5. Which one of the following compounds usually smells like garlic ?

   A. P2O3
   B. P2O5
   C. H3PO3
   D. All have same smell

6. Which of the following statements is incorrect about halogens ?

   A. All are non-metals
   B. All the halogens have electronic conviguration ns2p5
   C. They have high electron attinity and ionization energy
   D. All the halogens react with noble gases to form their halides

7. Which of the following noble gases is not present in atmosphere?

   A. Argon
   B. Helium
   C. Radon
   D. Xenon

   Submitted by: Malik Asghar Hussain

8. Which of the following phenomenon is considered responsible for Global Warming?

   A. Greenhouse effect
   B. Fire in coal mines
   C. Dry farming
   D. Monsoon

   Submitted by: Muhammad Ali Kunbhar

9. Which of the following is solid?

   A. Water
   B. Stone
   C. Both
   D. None

   Submitted by: Rashid Bhutto

10. 24g of an unknown gas occupied 8.4dm3at STP, Identify the gas among the following

    A. SO₃
    B. SO₂ 
    C. C₆H₆
    D. C₃H₈

    Submitted by: Aamir khan Hullio