📘 Classification of Matter on the basis of Chemical Properties- I📚 Pure Substance- Element

Q1

Which one of the following is not a compound?

🎯 SSC CPO (SI)-13/12/2019 (Shift-I)

📘 Phase Changing Processes and Their Factors📚 Condensation

Q2

The process of transformation of a substance in a gaseous state into a liquid state due to change in pressure or temperature of the substance is called:

🎯 SSC CPO-SI – 09/12/2019 (Shift-II)

📘 Solution📚 True Solution

Q3

Which among the following is NOT true about a solution and the solute concerned?

🎯 SSC CPO-SI 24/11/2020 (Shift-I)

📘 Solution📚 True Solution

Q4

Which one of the following can be categorised as a solution?

🎯 SSC CPO-SI – 09/12/2019 (Shift-I)

📘 Atomic Models📚 Cathode Ray Experiment

Q5

Cathode rays are a ray of

🎯 SSC CPO-SI 25/11/2020 (Shift-I)

📘 Radioactivity📚 Alpha rays

Q6

Which of the following represents on alpha particle?

🎯 SSC CPO-SI 25/11/2020 (Shift-I)

📘 Radioactivity📚 Applications of Radioactivity

Q7

The method of age determination called "radioactive uranium dating" cannot be used to determine the age of :

🎯 (SSC CPO (TIER-1) 2016)

📘 Electron Configuration📚 Cations and Anions

Q8

Which one of the following has a maximum tendency to form M³⁻ ion?

🎯 (SSC CPO (Tier-I) 2016)

📘 Acids, Bases and Salts📚 pH Scale

Q9

Which pH range does the human body functions?

🎯 SSC CPO (SI)-13/12/2019 (Shift-I)

📘 Structure of Atom📚 Atomic Number

Q10

What is the atomic number of the element einsteinium?

🎯 SSC CPO-SI 23/11/2020 (Shift-I)

📘 Structure of Atom📚 Atomic Number

Q11

Among the given elements, which comes first in the periodic table of elements?

🎯 SSC CPO-SI – 12/12/2019 (Shift-II)

📘 Periodic Properties📚 Misc

Q12

Which of the following metals in pure form has the highest melting point ?

🎯 SSC CPO-SI – 09/12/2019 (Shift-I)

📘 Water📚 Hard Water

Q13

Which among the following combination is present in higher amount in hard water?

🎯 SSC CPO-SI – 11/12/2019 (Shift-II)

📘 Chemistry in Everyday Life📚 Misc

Q14

Which of the following substance is used as an alternative to chlorine in bleaching ?

🎯 SSC CPO (SI)-11/12/2019 (Shift-I)

📘 Important Chemical Compounds📚 Misc

Q15

Which among the following gases is also known as 'Laughing Gas'?

🎯 SSC CPO-SI – 12/12/2019 (Shift-I)

📘 Classification of Elements in Modern Periodic Table📚 p-block

Q16

Which of the following is NOT a noble gas?

🎯 SSC CPO (SI)-11/12/2019 (Shift-I)

📘 Solution📚 Solubility and Factors affecting Solubility

Q17

Which chemical law proposes that 'soft drinks and soda bottles are sealed under high pressure to increase the solubility of CO2'?

🎯 SSC CPO-SI – 09/12/2019 (Shift-I)

📘 Pure Substance- Compound-Classification of Matter on the basis of Chemical Properties- II📚 Inorganic Compound

Q18

What is another name for saltpeter?

🎯 SSC CPO-SI 23/11/2020 (Shift-II)

📘 General Miscellaneous📚 Chemical Symbols and Formulas

Q19

Potassium is a chemical element whose chemical symbol is?

🎯 SSC CPO (SI)-13/12/2019 (Shift-I)

📘 Chemical Reactions📚 Single Displacement Reaction

Q20

The iron nail becomes after being immersed in copper sulphate solution.

🎯 SSC CPO-SI 23/11/2020 (Shift-II)

Chemistry - MOST IMPORTANT SSC CPO Previous Year Questions