Chemistry - MOST IMPORTANT SSC Stenographer Previous Year Questions
Practice real questions from previous year exams of SSC Stenographer.
📘 Bond Parameters📚 Hybridisation
Q1
In acetylene (C 2 H 2 ), hybridzation of carbon atoms is:
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📘 Chemistry in Everyday Life📚 Cleansing Agents (Soaps and Detergents)
Q2
Which detergents are also used in toothpaste?
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📘 Chemistry in Everyday Life📚 Food Preservatives
Q3
Which of the following is NOT used as food preservative?
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📘 Classification of Elements in Modern Periodic Table📚 p-block
Q4
Identify the INCORRECT statement regarding the halogens group in the periodic table.
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📘 Periodic Properties📚 Misc
Q5
Identify the correct statement related to metallic character.
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📘 Chemistry in Everyday Life📚 Dyes and Pigments
Q6
What food items are most commonly affected by the adulteration of Sudan dyes?
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📘 Classification of Elements in Modern Periodic Table📚 p-block
Q7
Identify the atomic number of an element that belongs to group 17.
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📘 Classification of Elements in Modern Periodic Table📚 p-block
Q8
Which element is the first element in group 13 of the periodic table?
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📘 Classification of Elements in Modern Periodic Table📚 Periods and Groups
Q9
Identify an element that does NOT belong to period 4.
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📘 Chemistry in Everyday Life📚 Misc
Q10
What is the name of the solution that is employed to identify the existence of starch in food?
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📘 Electron Configuration📚 Shells
Q11
Identify the element with an electronic configuration 2,8,1 from among the following options.
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📘 Chemistry in Everyday Life📚 Misc
Q12
Which of the following elements is responsible for high Blood Pressure?
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📘 Physical States of Matter and Their properties📚 Solid
Q13
Which of the following has the highest density?
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📘 Classification of Elements in Modern Periodic Table📚 p-block
Q14
Identify the odd option from among the following.
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📘 Electrochemistry📚 Electrolytes and Non-electrolytes
Q15
Match the column: Column A (Conductor Type) A. Metal, B. Ionised gas, C. Electrolyte; Column B (Mobile Charge Carriers) 1. Positive and negative ions, 2. Electrons and positively charged ions, 3. Electrons
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📘 Atomic Models📚 Rutherford Atomic Model
Q16
Which of Rutherford's experimental observations led him to conclude that the positive charge of an atom is concentrated in a very small region?
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📘 Phase Changing Processes and Their Factors📚 Boiling or Vaporization
Q17
Read the following statements carefully: Statement I: A pressure cooker operates by decreasing the pressure inside, which lowers the boiling point of water. Statement II: Food cooks faster in a pressure cooker because the higher pressure allows water to boil at a temperature above 100 °C. Statement III: The superheated steam within the cooker increases the rate of heat transfer to the food, leading to faster cooking. Which of the statements given above is/are correct?
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📘 Phase Changing Processes and Their Factors📚 Boiling or Vaporization
Q18
What is the boiling point of water at sea level?
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📘 Atomic Models📚 Niels Bohr's Atomic Model
Q19
According to Bohr's model, what is the significance of an electron transition from a higher energy orbit to a lower energy orbit?
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📘 Metallurgy📚 General Facts
Q20
A heating element of a heater is made of a material with high resistivity and high melting point. Which of the following material properties is most crucial for its function as a heating element?
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