HPAS Previous Year Question Paper 2017 – SCIENCE



#1. . In order to prevent oxidation of potato chips during storage in sealed bags, chip manufacturers seal the packet in the presence of :

#2. Where from is litmus dye extracted?

#3. If someone is suffering form the problem of acidity after overeating, what is the remedy?

#4. Which of the following has a pH of above 10?

#5. Which of the following processes does not take place during photosynthesis?

#6. . Which of the following instruments is used for measuring the depth of the ocean?

#7. Light year is a unit of :

#8. The most abundant rare gas in the atmosphere:

#9. Which of the following are the primary colors?

#10. Nail polish remover contains:



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