List of top Chemistry Questions

Which of the following can be used as olfactory indicators?
Tooth decay begins when the pH of the mouth drops below:
Phenolphthalein is used as an indicator in the reaction between
Why does the iron nail become brownish when dipped in copper sulfate solution?
What is the law of conservation of mass?
What is the product formed when slaked lime reacts with carbon dioxide during whitewashing?
What causes corrosion of iron?
What is the significance of writing physical states in a chemical equation?
What is the process called when fats and oils are oxidised and their smell and taste change?
What is the law of conservation of mass?
What property allows carbon to form large molecules by bonding with itself?
Which functional group is present in carboxylic acids?
What is the product formed when magnesium ribbon is burnt in oxygen?
Which substance can oxidize ethanol to ethanoic acid?
Compounds with the same molecular formula but different structures are called
Which series contains compounds differing by a $ -CH_2 - $ unit?
What makes graphite a good conductor of electricity?
What is the name of the process where carbonate ores are converted to oxides by heating in limited air?
Which of the following is an ore of mercury?
What happens when zinc is added to a solution of iron (II) sulfate?
What is the process of forming a thick oxide layer on aluminium called?
What kind of bond exists in a molecule of nitrogen ($N_2$)?
What type of bond is formed when a metal transfers electrons to a non-metal?
Why are cooking vessels made up of metals like copper and aluminium?
Why are metals like potassium and sodium stored in kerosene oil?