>
questions
List of practice Questions
The ratio of nitrogen and hydrogen atoms in one molecule of ammonia is
Bihar Class X Board - 2025
Bihar Class X Board
Science
Acids, Bases And Salts
Which of the following is the most acidic oxide?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Materials, Metals and Non-Metals
Which of the elements represented by the following symbols is a metal?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Classification of Elements
An alloy of mercury and another metal is called
Bihar Class X Board - 2025
Bihar Class X Board
Science
Materials, Metals and Non-Metals
Which of the following mirrors has a positive focal length?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Optics
Which of the following is the focal length of a convex mirror whose radius of curvature is 32 cm?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Optics
The reaction, in which heat is also generated along with the formation of product, is called
Bihar Class X Board - 2025
Bihar Class X Board
Science
General Science
Oxidation is a reaction in which there is
Bihar Class X Board - 2025
Bihar Class X Board
Science
General Science
Which of the following is a synthetic indicator?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Acids, Bases And Salts
Which substance turns red litmus paper blue in aqueous solution?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Acids, Bases And Salts
Oiled paper is
Bihar Class X Board - 2025
Bihar Class X Board
Science
materials science
Which of the following is a natural resource?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Ecology and Environment
Which of the following is a forest-based industry?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Ecology and Environment
We can get iodine in adequate quantity from which of the following?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Ecology and Environment
Which of the following is the primary source of energy in fossil fuels?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Sources of Energy
In which of the following forms is energy available in the oceans?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Sources of Energy
In which state is Tarapur Nuclear Power Plant located?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Sources of Energy
The substances that take part in a reaction are called
Bihar Class X Board - 2025
Bihar Class X Board
Science
General Science
How many bonds are found between the two atoms of a molecule of oxygen gas (O$_2$)?
Bihar Class X Board - 2025
Bihar Class X Board
Science
General Science
Elements from group 13 to 18 are called
Bihar Class X Board - 2025
Bihar Class X Board
Science
Classification of Elements
Which of the following elements has the highest number of valence electrons?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Classification of Elements
Which of the following is a pollution-free source of energy?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Sources of Energy
Which of the following is responsible for the depletion of the ozone layer?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Ecology and Environment
‘Ahar and Pyne’ is the water harvesting system of which state?
Bihar Class X Board - 2025
Bihar Class X Board
Science
Ecology and Environment
The IUPAC name of CH$_3$CH$_2$CH$_2$OH is
Bihar Class X Board - 2025
Bihar Class X Board
Science
Organic Chemistry
Prev
1
...
233
234
235
236
237
...
7150
Next