Chemistry - MOST IMPORTANT SSC Selection Phase Previous Year Questions
Practice real questions from previous year exams of SSC Selection Phase.
📘 Organic Chemistry📚 Misc
Q1
Which of the following is used to determine molecular weight of fatly acids.
🎯 SSC Selection Phases XI– 27/06/2023 (Shift-II)
📘 Types of Chemical Bond📚 Hydrogen Bond
Q2
Strength of hydrogen bond is determined by which of the following?
🎯 SSC Selection Phases XI- 28/06/2023 (Shift-III)
📘 Periodic Table📚 Mendeleev Periodic Table
Q3
Which year was nominated as International year of Periodic Table to celebrate 150th anniversary of Mendeleev's periodic table?
🎯 SSC Selection Phases XI- 27/06/2023 (Shift-IV)
📘 Important Chemical Compounds📚 Baking Soda
Q4
For packaging which of the following compound is used for peeving off vegetable and fruits like tomato, potato and other fruits and as preservative component which helps to stop growth of fungus and bacteria in food?
🎯 SSC Selection Phases XI– 27/06/2023 (Shift-II)
📘 General Miscellaneous📚 Miscellaneous
Q5
Which stone can transform iron like base metals into gold?
🎯 SSC Selection Phases XI– 28/06/2023 (Shift-II)
📘 Chemistry in Everyday Life📚 Food Preservatives
Q6
Which of the following set of food substance in option can be used as natural food preserratives?
🎯 SSC Selection Phases XI– 28/06/2023 (Shift-II)
📘 Chemical Reactions📚 Exothermic Reaction
Q7
Which among the following is an example of an exothermic reaction?
🎯 SSC Selection Phase (Phase-XIII) 2025
📘 Radioactivity📚 Half-life
Q8
If the half-life of a radioactive substance is 10 days, then the time taken for 75% of the original sample to decay is:
🎯 SSC Selection Phase (Phase-XIII) 2025
📘 Chemical Reactions📚 Photochemical Reaction
Q9
Which equation correctly represents the formation of ozone in the upper atmosphere?
🎯 SSC Selection Phase (Phase-XIII) 2025
📘 Atomic Models📚 Rutherford Atomic Model
Q10
A major limitation of Rutherford's model was its inability to explain:
🎯 SSC Selection Phase (Phase-XIII) 2025
📘 Environmental Chemistry📚 Acid Rain
Q11
What is the main cause of acid rain?
🎯 SSC Selection Phase (Phase-XIII) 2025
📘 Important Chemical Compounds📚 Bleaching Powder
Q12
What is another use of bleaching powder besides bleaching?
🎯 SSC Selection Phase (Phase-XIII) 2025
📘 General Miscellaneous📚 Chemical Symbols and Formulas
Q13
How is the molecular composition of water represented in chemical terms?
🎯 SSC Selection Phase (Phase-XIII) 2025
📘 Phase Changing Processes and Their Factors📚 Melting
Q14
What remains constant during the melting process of a pure substance?
🎯 SSC Selection Phase (Phase-XIII) 2025