Chemistry - MOST IMPORTANT Allahabad HC RO Previous Year Questions
Practice real questions from previous year exams of Allahabad HC RO.
Which of the following is not a metalloid?
What type of element is Potassium ?
A homogenous mixture can be Seperated by :
Which one of the following mixtures can be separated into its components by the process involving- addition of water, stirring and filtering ?
Which of the following is a surface phenomenan?
When a gas is turned into a liquid, the process is called?
Which one of the following is also known as solution?
Which one of the following compounds when present in its aqueous solution will turn red litmus blue?
J.J. Thomson was awarded the "Nobel Prize" in physics in 1906 for the discovery of:
Which of the following elements has electronic configuration 2?
N shell can have a maximum number of_____ electrons.
The maximum number of electrons that can be accommodated in the third shell of an atom is :
Atomic number of an element is equals to what present in the nucleus of its atom :
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
An atom which has a mass number of 14 or 8 neutrons, is ____
Isotopes of an element have :
Nuclear fission is the source of energy in_____
Which of the following is used in the treatment of Cancer?
Which of the following is a radioactive metal?
Which of these elements is radio-active?
