Yes, the nib of the pen attracts a magnet if it is made of iron, cobalt, or nickel. Iron, cobalt, and nickel are metals that are strongly attracted to magnets.  

Dear Suryanshi, Thank you very much for posting your doubt at Tutorix, but we are sorry, you have posted multiple questions/doubt in a single post, you are requested to post a single doubt in your post so that we can help you in better way.We are eager to resolve your ... Read More

Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process. Following steps are used to manufacture plastics-Plastic extrusion: Plastic is heated and pushed through a heated chamber by a screw.Moulding: Plastic is forced through a die that creates ... Read More

Biodiversity is the variety and variability of life on Earth.The term biodiversity (from “biological diversity”) refers to the variety of life on Earth at all its levels.It is typically a measure of variation at the genetic, species and ecosystem level. Biodiversity includes not only species we consider rare, threatened, or ... Read More

Diameter of circle:The diameter of a circle is the length of the line through the center and touching two points on its edge.The center of a circle is the midpoint of its diameter. That is, it divides it into two equal parts, each of which is a radius of the ... Read More

Non-metals do not shine because they don't have free electrons in their Valence Shell. Many non-metals have fracture planes that are reflective due to which they may shine like iodine. Iodine is the only Non-metal that shines.

Axis is a straight line about which a body rotates. The axis of the earth passes through the North and South poles 

Given :The temperature of 5 cities in India is given. To do :We have to answer the questions asked based on the figure.Solution :(i) From the figure, Temperature of Kasauli $= -9°C$Temperature of Manali $= -7°C$Temperature of Nainital $= -3°C$The temperature of Ooty $= 15°C$The temperature of Bangalore $= 20°C$(ii) Bangalore ... Read More

Given :The express train takes 1 hour less than a passenger train to cover a distance of 132 km.The average speed of the express train is 11 km/h more than the average speed of the passenger train.To do :We have to find the average speeds of trains.Solution :Let the time ... Read More

We get the smell of rotten eggs from sulphide ore because it contains hydrogen sulphide in it. Hydrogen sulfide gas (H2S) can give water a “rotten egg” taste or odour. It is also produced by certain "sulfur bacteria".