Science Quiz on Moving things & Materials:20.06.2020

No matter, how far you stand from a mirror, your image appears erect. The mirror is likely to be

The near point for a normal eye is:

Ramesh lifts a big basket of vegetables of 10 kg and place it on his head which is 2 m above ground. What is the work done by Ramesh, if any?

Consider the following:

i. The amount of energy present in an object is measured in terms of its capacity of doing work.

ii. The SI unit of energy is N (newton) and the SI unit of work is J (joule).

Which of the above statements is/are correct?

The smallest particle of an element or a compound, which is capable of independent existence is known as

Who classified the elements as Triads?

A mixture of two or more metals or a metal and a non-metal which cannot be separated into its components by physical methods, is called:

Bitumen is a constituent of Petroleum, which is generally used in?

Directions: Answer the following questions by selecting the most appropriate option.
The correct chemical formula of hydronium ion is