Questions

What is the pH of water?

Electrons in the highest energy level of an atom are called ________.

Which of the following is not a method of estimating national income?

In April 2017, Emma Morano, the world’s oldest woman has passed away at the age of 117. Which country was she from?

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is double that of earth and radius is same as that of earth is _________________.

Triton is the moon of which planet?

If x stands for addition, / stands for subtraction, + stands for multiplication and - stands for division, then what is the value of 20 x 8 / 8 - 4 + 2 ?

If (x - 13)2 + (y - 4)2 = 0, then the value of y + xy - x ?