Question
Which one of the following is the unit of electrical energy?
Which one of the following is the unit of electrical energy? (a) Watt (b) Ohm (c) Kilowatt-hour (d) Volt
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Class: Class 10
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Question
Which type of mirror produces a virtual, diminished and erect image?
Which type of mirror produces a virtual, diminished and erect image? (a) Plane mirror (b) Concave mirror (c) Convex mirror (d) Parabolic…
Question
Which parameter remains unaltered during refraction of light? (a) Velocity (b) Amplitude (c) Frequency (d) Wavelength
Which parameter remains unaltered during refraction of light? (a) Velocity (b) Amplitude (c) Frequency (d) Wavelength
Question
The coefficient of thermal conduction depends on
The coefficient of thermal conduction depends on: (a) The difference in temperature between the two ends of the conductor (b) Property of…
Question
Find how many g of calcium oxide will be obtained by intensely heating 10 g of calcium carbonate. Consider that calcium carbonate has completely decomposed. [Ca = 40, C = 12, O = 16]
Find how many g of calcium oxide will be obtained by intensely heating 10 g of calcium carbonate. Consider that calcium carbonate…
Question
Volume of 22 g of CO₂ at S.T.P. is [C = 12, O = 16]: (a) 22.4 litre (b) 11.2 litre (c) 2.24 litre (d) 1.12 litre
Volume of 22 g of CO₂ at S.T.P. is [C = 12, O = 16]: (a) 22.4 litre (b) 11.2 litre (c)…
Question
Identify the greenhouse gas: (a) Oxygen (b) Hydrogen (c) Water vapour (d) Nitrogen
Identify the greenhouse gas: (a) Oxygen (b) Hydrogen (c) Water vapour (d) Nitrogen
Question
Identify the triple bond unsaturated hydrocarbon: (a) CH₄ (b) C₂H₆ (c) C₂H₄ (d) C₂H₂
Identify the triple bond unsaturated hydrocarbon: (a) CH₄ (b) C₂H₆ (c) C₂H₄ (d) C₂H₂
Question
Which of the following is an ore of Aluminium?
Which of the following is an ore of Aluminium? (a) Hematite (b) Bauxite (c) Malachite (d) Chalcocite
Question
What colour is produced when H₂S gas is passed through a solution of potassium dichromate acidified with dilute sulphuric acid?
What colour is produced when H₂S gas is passed through a solution of potassium dichromate acidified with dilute sulphuric acid? (a) Orange…