A block of mass 2 kg rests on a rough inclined plane making an angle of 300 with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

In the salt solution, salt is the __________ and water is the ___________.

Statement 1: Polar solute dissolves in polar solvents and non-polar solute dissolves in non-polar solvents. Statement 2: Like dissolves like. &nbsp;

Solubility of a solid substance least likely to depend on

The limiting molar conductivity of water is equal to

A solution of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>&nbsp;</mo><msub><mi>Al</mi><mn>2</mn></msub><msub><mrow><mo>(</mo><msub><mi>SO</mi><mn>4</mn></msub><mo>)</mo></mrow><mn>3</mn></msub><mrow><mo>[</mo><mi mathvariant="normal">d</mi><mo>=</mo><mn>1</mn><mo>.253</mo><mi>gm</mi><mo>/</mo><mi>ml</mi><mo>]</mo></mrow></math>&nbsp; contain 22% salt by weight. The molarity, normality and molality of the solution is&nbsp;

A block of mass 2 kg rests on a rough inclined plane making an angle of 30⁰ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

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