Chemistry Previous Year Questions 2026 | UP POLICE Constable

Chemistry - MOST IMPORTANT UP POLICE Constable Previous Year Questions

Practice real questions from previous year exams of UP POLICE Constable.

📘 Environmental Chemistry📚 Water Pollutants
Q1
Which of the following types of pollution is cultural (accelerated) eutrophication?
🎯 UP Police Constable 2023 Re-exam 23.08.2024 Shift-I
📘 Discoveries📚 Misc
Q2
Who discovered Nitrogen ?
🎯 UP Police Constable 2023 Re-exam 24.08.2024 Shift-I
📘 Matter in Our Surroundings📚 General Facts
Q3
The white light is composed of how many colours?
🎯 UP Police Constable 2023 Cancelled 17.2.2024 Shift-I
📘 Environmental Chemistry📚 Greenhouse Effect
Q4
What is Greenhouse gas ?
🎯 UP Police Constable 2023 Re-exam 24.08.2024 Shift-II
📘 Environmental Chemistry📚 Acid Rain
Q5
Which of the following substances is primarily responsible for acid rain ?
🎯 UP Police Constable 2023 Re-exam 25.08.2024 Shift-I
📘 Chemistry in Everyday Life📚 Fertilizers
Q6
Green Revolution, which significantly increased agricultural production in many developing countries, primarily involved :
🎯 UP Police Constable 2023 Re-exam 30.08.2024 Shift-I
📘 Discoveries📚 Misc
Q7
Who discovered Oxygen ?
🎯 UP Police Constable 2023 Re-exam 30.08.2024 Shift-II
📘 Important Chemical Compounds📚 Misc
Q8
Give the full form of RDX, from the options below.
🎯 UP Police Constable 2023 Re-exam 30.08.2024 Shift-II
📘 Carbon Allotropes📚 Carbon Allotrope (Amorphous)
Q9
Which mineral is known as 'Buried Sunshine' ?
🎯 UP Police Constable 2023 Re-exam 30.08.2024 Shift-II
📘 Environmental Chemistry📚 Acid Rain
Q10
The yellowness of the Taj Mahal is an effect of .
🎯 UP Police Constable 2023 Re-exam 31.08.2024 Shift-I
📘 Carbon Allotropes📚 Carbon Allotrope (Amorphous)
Q11
Which fossil fuel is primarily used for electricity generation?
🎯 UP Police Constable 2023 Re-exam 31.08.2024 Shift-II
📘 Environmental Chemistry📚 Ozone Depletion
Q12
Which of the following is the cause of Melanornia (skin cancer)?
🎯 UP Police Constable 2023 Re-exam 31.08.2024 Shift-II
📘 Polymer📚 Types of polymers on basis of Structure- Natural, Semi-Synthetic, Synthetic
Q13
Which among the following is not an example of synthetic fibres?
🎯 UP Police Constable 2023 Re-exam 31.08.2024 Shift-II
📘 Acids, Bases and Salts📚 Name of Acid present in compounds
Q14
Which of the following contains "Lactic Acid"?
🎯 UP Police Constable 2023 Cancelled 17.2.2024 Shift-II
📘 Acids, Bases and Salts📚 Name of Acid present in compounds
Q15
Which of the following Acid is present in Spinach?
🎯 UP Police Constable 2023 Cancelled 18.2.2024 Shift-I
📘 Acids, Bases and Salts📚 Name of Acid present in compounds
Q16
Which of the following acids is present in Vinegar?
🎯 UP Police Constable 2023 Cancelled 18.2.2024 Shift-II
📘 Pure Substance- Element-Classification of Matter on the basis of Chemical Properties- II📚 Metals and its properties
Q17
Which chemical is responsible for the green colour in firework displays?
🎯 UP Police Constable Jail Warden Exam 2020 (Ex.dt. 20.12.2020 Shift-I)
📘 Water📚 Misc
Q18
The maximum density of water usually occurs at:
🎯 UP Police Constable Jail Warden Exam 2020 (Ex.dt. 20.12.2020 Shift-II)
📘 Pure Substance- Compound-Classification of Matter on the basis of Chemical Properties- II📚 Organic Compound
Q19
Which of the following is the other name for Vitamin B6?
🎯 UP Police Constable Jail Warden Exam 2020 (Ex.dt. 20.12.2020 Shift-II)
📘 Organic Chemistry📚 Nomenclature
Q20
CH3COOCH2CH3 is the formula of _____.
🎯 UP Police Constable Exam 2019 (Ex.dt. 28.01.2019 Shift-I)