Name the gas that is produced in - At the anode during the electrolysis of acidified water

Two metallic blocks P and Q having masses in ratio 2:1 are supplied with the same amount of heat. If their temperatures rise by same degree, compare their specific heat capacities.

Priyanka has a recurring deposit account of ₹1000 per month at 10% per annum. If she gets ₹5550 as interest at the time of maturity, find the total time for which the account was held.

Hypotonic solution and Hypertonic solution [condition of a plant cell when placed in them]

Differentiate between the following pairs on the basis of what is indicated in the brackets.

A boy uses blue colour of light to find the refractive index of glass. He then repeats the experiment using red colour of light. Will the refractive index be the same or different in the two cases? Give...

If the straight lines 3𝑥 - 5𝑦 = 7 and 4𝑥 + 𝑎𝑦 + 9 = 0 are perpendicular to one another, find the value of a

Briefly explain: The trees in Monsoon Deciduous forests, shed their leaves for about 6-8 weeks during March and April.

Electrolysis of aqueous sodium chloride solution will form _____ at the cathode. (hydrogen gas / sodium metal)

Name the bill that cannot originate in the Rajya Sabha.

Complete stoppage of menstrual cycle in females.

Give the Biological / technical term

State one observation: Concentrated nitric acid is reacted with sulphur

Read the extract given below and answer the questions that follow:

Bangle sellers are we who bear
Our shining loads to the temple fair...

- The Bangle Sellers, Sarojini Naidu

(i) Why does the poet use the...

The process by which root hairs absorb water from the soil.

An alloy used to make statues is ____. (bronze, brass, fuse metal)

How can deepening of the river bed help in preventing soil erosion?

An electric iron is rated 220V, 2kW

1. If the iron is used for 2h daily find the cost of running it for one week if it costs Rs. 4.25 per kWh.
2. Why is the fuse absolutely necessary in a power circuit?