Which element commonly found in water is linked to cancer risks?
Which element is denoted by the atomic number 28?
Carbohydrates are organic compounds composed of which elements?
What is the chemical formula for soda ash?
The rate of evaporation increases with ______.
Protons were discovered by
Which of the following statements about the modern periodic table is NOT correct?
Which acid is majorly found in Orange?
Who is known as father of Green Revolution in India?
Which mineral is also known as 'plumbago'?
