Chemistry Previous Year Questions 2026 | HP PCS

Chemistry - MOST IMPORTANT HP PCS Previous Year Questions

Practice real questions from previous year exams of HP PCS.

📘 Chemistry in Everyday Life📚 Common Gases used in daily life (LPG, CNG, etc.)
Q1
In which of the following conditions bio-gas is produced?
🎯 HP PCS (Pre)-2018
📘 Acids, Bases and Salts📚 Name of Acid present in compounds
Q2
Match List-I with List-II: List-I (Acid) (a) Lactic (b) Oxalic (c) Tartaric (d) Formic List-II (Found in) (i) Curd (ii) Spinach (iii) Ant's sting (iv) Grapes
🎯 HP PCS Pre Exam- 15/07/2024
📘 Organic Chemistry📚 Aldehyde, Ketone and Carboxylic Acid
Q3
Nail polish remover contains:
🎯 HP PCS (Pre) 2016
📘 Separation of Mixtures📚 Misc
Q4
Winnowing refers to :
🎯 HP PCS (Pre) 2023
📘 Acids, Bases and Salts📚 Types of Indicators- Natural, Synthetic and Olfactory Indicators
Q5
What is the color of Litmus solution when it is neither acidic nor basic?
🎯 HP PCS (Pre)-2018
📘 Acids, Bases and Salts📚 Physical Properties of Base
Q6
Which of the following statements is not correct?
🎯 HP PCS (Pre)-2018
📘 Acids, Bases and Salts📚 pH Scale
Q7
What does 'p' represent in pH?
🎯 HP PCS (Pre)-2018
📘 Acids, Bases and Salts📚 pH Scale
Q8
Which of the following has a pH of about 10?
🎯 HP PCS (Pre) 2016
📘 Structure of Atom📚 Atomic Number
Q9
Arrange the following elements in terms of their atomic number from lowest to highest: (1) Carbon (2) Oxygen (3) Sodium (4) Silicon
🎯 HP PCS (Pre) 2023
📘 Chemistry in Everyday Life📚 Medicines (Antacids, Analgesics, etc.)
Q10
If someone is suffering from the problem of acidity after overeating, what is remedy?
🎯 HP PCS (Pre) 2016
📘 Important Chemical Compounds📚 Slaked lime
Q11
Which of the following statement is not correct?
🎯 HP PCS (PRE) 2021
📘 Classification of Elements in Modern Periodic Table📚 p-block
Q12
The most abundant rare gas in the atmosphere is:
🎯 HP PCS (Pre) 2016
📘 Metallurgy📚 Alloys and Their compositions
Q13
Which one of the following does not contain silver?
🎯 HP PCS (Pre) 2014
📘 Chemical Reactions📚 Chemical change
Q14
Given below are two statements: Statement I: Rusting of Iron is a chemical change. Statement II: The process of depositing a layer of Zinc on Iron is called galvanisation. In the light of the above statements, choose the most appropriate answer from the options given below:
🎯 HP PCS Pre Exam- 15/07/2024
📘 Acids, Bases and Salts📚 Types of Indicators- Natural, Synthetic and Olfactory Indicators
Q15
Match List I with List II and choose the correct answer from the given options. List-I A. Litmus B. Nitrogen C. Calcium Hydroxyapatite D. Hydrogen Peroxide List-II 1. Tooth enamel 2. Anti microbial Agent 3. Chips sealed in packet 4. Lichen
🎯 HP PCS (PRE) 2021