Question
The number of moles present in 44.8 litres CO2 at STP is (a) 3 (b) 1 (c) 2 (d) 1.5
The number of moles present in 44.8 litres CO2 at STP is (a) 3 (b) 1 (c) 2 (d) 1.5
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Question
A real gas behaves as an ideal gas at (a) High pressure and high temperature (b) High pressure and low temperature (c) Low pressure and high temperature (d) Low pressure and low temperature
A real gas behaves as an ideal gas at (a) High pressure and high temperature (b) High pressure and low temperature (c)…
Question
The major constituent of Biogas is (a) CH4 (b) CFC (c) CO2 (d) CO
The major constituent of Biogas is (a) CH4 (b) CFC (c) CO2 (d) CO
PYQ Item
Madhyamik Class 10 Physical Science Solved Paper 2023
Madhyamik Class 10 Physical Science Question Paper Solved 2023 Physical Science Time – Three Hours Fifteen Minutes (First fifteen minutes for reading the Question…
Question
Give two reasons in favour of using paper for packaging.
Give two reasons in favour of using paper for packaging.
Question
Write, with the balanced chemical equation, what happens when dilute sulfuric acid is added to ferrous sulfide.
Write, with the balanced chemical equation, what happens when dilute sulfuric acid is added to ferrous sulfide.
Question
Whether a concave lens is called a converging or diverging lens? Answer with reason.
Whether a concave lens is called a converging or diverging lens? Answer with reason.
Question
What is the importance of insulators in household wiring?
What is the importance of insulators in household wiring?
Question
Draw the structural formula of a saturated hydrocarbon containing two carbon atoms.
Draw the structural formula of a saturated hydrocarbon containing two carbon atoms.
Question
By the emission of which radioactive ray from the atom of a radioactive element, no new atom is created?
By the emission of which radioactive ray from the atom of a radioactive element, no new atom is created?