Chemistry - MOST IMPORTANT Allahabad HC RO Previous Year Questions
Practice real questions from previous year exams of Allahabad HC RO.
📘 Pure Substance- Element-Classification of Matter on the basis of Chemical Properties- II📚 Metalloids
Q1
Which of the following is not a metalloid?
🎯 Allahabad HC RO 12/12/2023 Shift-I
📘 Pure Substance- Element-Classification of Matter on the basis of Chemical Properties- II📚 Metals and its properties
Q2
What type of element is Potassium ?
🎯 Allahabad HC RO 11/12/2021 Shift-I
📘 Separation of Mixtures📚 Misc
Q3
A homogenous mixture can be Seperated by :
🎯 Allahabad HC RO 10/12/2021 Shift-I
📘 Separation of Mixtures📚 Misc
Q4
Which one of the following mixtures can be separated into its components by the process involving- addition of water, stirring and filtering ?
🎯 Allahabad HC RO Exam 08/01/2017
📘 Phase Changing Processes and Their Factors📚 Evaporation
Q5
Which of the following is a surface phenomenan?
🎯 Allahabad HC RO 11/12/2022 Shift-II
📘 Phase Changing Processes and Their Factors📚 Condensation
Q6
When a gas is turned into a liquid, the process is called?
🎯 Allahabad HC RO 10/12/2021 Shift-II
📘 Solution📚 True Solution
Q7
Which one of the following is also known as solution?
🎯 Allahabad HC RO 11/12/2021 Shift-I
📘 Acids, Bases and Salts📚 Types of Indicators- Natural, Synthetic and Olfactory Indicators
Q8
Which one of the following compounds when present in its aqueous solution will turn red litmus blue?
🎯 Allahabad HC RO Exam 08/01/2017
📘 Structure of Atom📚 Electron
Q9
J.J. Thomson was awarded the "Nobel Prize" in physics in 1906 for the discovery of:
🎯 Allahabad HC RO 10/12/2021 Shift-II
📘 Electron Configuration📚 Misc
Q10
Which of the following elements has electronic configuration 2?
🎯 Allahabad HC RO 11/12/2022 Shift-II
📘 Electron Configuration📚 Shells
Q11
N shell can have a maximum number of_____ electrons.
🎯 Allahabad HC RO 10/12/2021 Shift-I
📘 Electron Configuration📚 Shells
Q12
The maximum number of electrons that can be accommodated in the third shell of an atom is :
🎯 Allahabad HC RO 11/12/2021 Shift-I
📘 Structure of Atom📚 Atomic Number
Q13
Atomic number of an element is equals to what present in the nucleus of its atom :
🎯 Allahabad HC RO 11/12/2022 Shift-II
📘 Structure of Atom📚 Misc
Q14
The atomic number and mass number of an element X are 15 and 31 respectively. Which one of these represents X ? (i) electrons=15, protons=15, neutrons=16 (ii) electrons=31, protons=15, neutrons=15 (iii) electrons=31, protons=31, neutrons=15 (iv) electrons=15, protons=16, neutrons=15
🎯 Allahabad HC RO Exam 08/01/2017
📘 Structure of Atom📚 Isotopes
Q15
An atom which has a mass number of 14 or 8 neutrons, is ____
🎯 Allahabad HC RO 05/01/2022
📘 Structure of Atom📚 Isotopes
Q16
Isotopes of an element have :
🎯 Allahabad HC RO 07/01/2022
📘 Radioactivity📚 Nuclear Fission
Q17
Nuclear fission is the source of energy in_____
🎯 Allahabad HC RO 05/01/2022
📘 Radioactivity📚 Applications of Radioactivity
Q18
Which of the following is used in the treatment of Cancer?
🎯 Allahabad HC RO 10/12/2021 Shift-I
📘 Radioactivity📚 General Facts
Q19
Which of the following is a radioactive metal?
🎯 Allahabad HC Group C Exam-2019
📘 Radioactivity📚 General Facts
Q20
Which of these elements is radio-active?
🎯 Allahabad HC RO Exam 08/01/2017