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[A]Most reactive: C; Least reactive: B The most reactive metal is C and the least reactive metal is B.
[D] Black
[B] (i), (ii) & (iii) only Of the given options, only Equation IV is not balanced. The balanced equation is : Cu + 4HNO,→ Cu(NO), + 2NO, + 2H,0
[B] The difference in physical or chemical properties of constituents
[A] distillation
[A] plant cell Plant cells have large and permanent vacuole, while animal cells have many, small and temporary vacuoles.
[D] Decrease the rate of change of momentum
[A] cytoplasm
[D] the colourless plastids that stores proteins, lipids and starch is named xanthophyll
On the basis of sequence of reactions, identify the most and least reactive elements A+ BX → AX +B C+ AY → CY + A
[A]Most reactive: C; Least reactive: B The most reactive metal is C and the least reactive metal is B.
[A]Most reactive: C; Least reactive: B
See lessThe most reactive metal is C and the least reactive metal is B.
If the earth had no atmosphere, the sky would appear _______________ in colour.
[D] Black
[D] Black
See lessChoose the balanced equation(s) from the given:
[B] (i), (ii) & (iii) only Of the given options, only Equation IV is not balanced. The balanced equation is : Cu + 4HNO,→ Cu(NO), + 2NO, + 2H,0
[B] (i), (ii) & (iii) only
See lessOf the given options, only Equation IV is not balanced. The balanced equation is : Cu + 4HNO,→ Cu(NO), + 2NO, + 2H,0
The principle of separation based on
[B] The difference in physical or chemical properties of constituents
[B] The difference in physical or chemical properties of constituents
See lessThe mixture of ethyl alcohol and water can be separated by
[A] distillation
[A] distillation
See lessA cell that has large central vacuole is
[A] plant cell Plant cells have large and permanent vacuole, while animal cells have many, small and temporary vacuoles.
[A] plant cell
See lessPlant cells have large and permanent vacuole, while animal cells have many, small and temporary vacuoles.
A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to
[D] Decrease the rate of change of momentum
[D] Decrease the rate of change of momentum
See lessCell organelles are present in
[A] cytoplasm
[A] cytoplasm
See lessChoose the incorrect statement
[D] the colourless plastids that stores proteins, lipids and starch is named xanthophyll
[D] the colourless plastids that stores proteins, lipids and starch is named xanthophyll
See less