2850 ÷ 75 x 50 = ? + 15 38 x 50 = ? + 15 1900 = ? + 15 ? = 1885
Who proposed the plum pudding model of the atom?
When copper sulphate solution reacts with iron metal, copper metal is formed. Which of the following reactions is this?
Which of the following elements has the highest electronegativity.
Whitening of hair is caused by the deficiency of _________?
Lexan is a man-made polymer used for making
Which of the following is a non-metal?
What is the total number of carbon atoms in a molecule of butane?
Which acid is commonly utilized in the production of baking powder?
What color does litmus turn when neither acidic nor basic?
Identify the acid commonly used for glass etching.
