Questions (120)
Q1GEO2021
Which one of the following pairs of elements is found in the free state?
- A Gold and Platinum
- B Copper and Silver
- C Gold and Silver
- D Copper and Platinum
Answer key not yet available (pending official release)
Science & Technology › Physics & Chemistry
Q2GEO2021
Why silver chloride turns grey in Sunlight?
- A It forms silver metal and is an example of endothermic reaction
- B It forms silver metal and is an example of exothermic reaction
- C It forms silver metal and is an example of substitution reaction
- D It forms silver ion (Ag+) and is an example of endothermic reaction
Answer key not yet available (pending official release)
Science & Technology › Physics & Chemistry
Q3GEO2021
pH of blood is:
- A 7.0
- B 6.8
- C 7.4
- D 6.4
Answer key not yet available (pending official release)
Science & Technology › Biology & Health
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