Give any four clauses of the Mountbatten Plan of 1947.

Conductivity of dilute hydrochloric acid is greater than that of acetic acid

A nucleus ₈₄X²⁰² of an element emits an alpha particle followed by a beta particle. The final nucleus is _aY^b. Find a and b.

Action of Sodium hydroxide solution on ferrous sulphate solution.

Why must segregation of waste be done before disposal?

What happens to the level of water when this setup is placed in

1. Humid conditions?
2. Windy conditions?

Lenticels or stomata (Which one remains open always?)

Name the gas that is produced in - Reaction of ethanol and sodium

104 g of water at 30°C is taken in a calorimeter made of copper of mass 42 g. When a certain mass of ice at 0°C is added to it, the final steady temperature of the mixture after the ice has melted, was...

What is the normal term of office of the Lok Sabha

Briefly explain: Surface water

Name two factors on which the heat energy liberated by a body depends.

If the power of a motor be 100 kW, at what speed can it raise a load of 50,000 N?

Propane burns in air according to the following equation:

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

What volume of propane is consumed on using 1000 cm³ of air, considering only 20% of air contains oxygen?

A lens of focal length 20 cm forms an inverted image at a distance 60 cm from the lens.

1. Identify the lens.
2. How far is the lens present in front of the object?
3. Calculate the magnification of the image.

"The railway is an important means of transport as compared to airways." State two reasons to support the statement.