Vidyalelo
General Knowledge · all questions

Practice
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

1,122

Questions

17/57

Page

Pick an option on a question to see the right answer and solution.

The material used in the manufacture of lead pencil is

Select an option to see the answer and solution.

Water can be separated from alcohol water mixture by

Select an option to see the answer and solution.

In addition to hydrogen, the other abundant element present on Sun’s surface is

Select an option to see the answer and solution.

The most abundant element by number in the living system is :

Select an option to see the answer and solution.

What is the element required for solar energy conversion ?

Select an option to see the answer and solution.

Major portion of the earth’s crust is mainly constituted by

Select an option to see the answer and solution.

In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins?

Select an option to see the answer and solution.

Name two elements that find wide application in transistor industry.

Select an option to see the answer and solution.

Which one is the naturally occuring heaviest element?

Select an option to see the answer and solution.

Which of the following will replace hydrogen from acids to form salts ?

Select an option to see the answer and solution.

Which of the following could be used as fuel in propellant or rockets ?

Select an option to see the answer and solution.

Which gas is used for converting vegetable oils into saturated fats ?

Select an option to see the answer and solution.

Which of the following gases will effuse out of football bladder most quickly ?

Select an option to see the answer and solution.

The property of hydrogen which distinguishes it from alkali metals is

Select an option to see the answer and solution.

Hydrogen is not found in atmosphere because

Select an option to see the answer and solution.

Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?

Select an option to see the answer and solution.

When Hydrogen starts burning in air, it produces ?

Select an option to see the answer and solution.

The gas which turns into liquid at the lowest temperature among the following is

Select an option to see the answer and solution.

The gas that is used in the manufacture of vanaspati ghee is :

Select an option to see the answer and solution.

Which one of the following metals does not react with water to produce Hydrogen ?

Select an option to see the answer and solution.