Strontium
Sodium
Sulphur
Magnesium
Who was discovered the Radium?
Which of the following is the most active chemically
The Alkali metals are called good reducing agents. This implies that _:
Which of the following does not increase when we move from left to right along a period in the periodic table
Which of the following is also known as wood alcohol
Which among the following oxides cause the Acid rain
Highest percentage of nitrogen is found in which among the following fertilizers among the given options
Which among the following is popularly called Hypo
Which among the following is responsible for depletion of Ozone
Which among the following element is an essential constituent of acids
