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Chemistry Mock Test For CDS/NDA. Attempt this quiz to increase your scores. The passing percentage is 70%. All the best.
#1. Cathode rays can be deflected by:
Magnetic field only
Electric Field Only
Both Types of Fields
None of These
#2. Potassium is a chemical element with the symbol?
#3. Which of the following substances is not a mixture?
#4. Which one is a pure element?
#5. Formation of cation occurs by:
Gain of electron
Loss of electron
Gain of proton
Loss of proton
#6. The structure of ethylene is--
#7. Uric acid is present in:
#8. Maleic acid is found in:
#9. The pH value of wine is--
#10. Which of the following is a strong acid?