The correct answer is D
How many protons are present in the nucleus of an oxygen atom?
Oil and water can form a stable dispersion with the help of a substance commonly called a(n):
Which of the Following is not the Ore of Aluminium ?
Identify the thermodynamic process in which no heat exchange occurs with the surroundings.
What is the total number of carbon atoms in a molecule of butane?
Which planet is known as the "Red Planet"?
Which of the following elements has the highest electronegativity.
Which of the following is not an isotope of oxygen?
The Chemical name of ‘Washing Soda’ is –
What causes the black color of Black Soil?