In the electroplating of gold the electrolyte used is
1). Gold chloride
2). Gold nitrate
3). Gold sulphate
4). Potassium aurocyanide
1. Water is not effective in extinguishing a fire caused by petrol because
2. Which of the following does the nucleus of an atom consists of?
3. The major harmful gas emitted by automobile vehicle which causes air pollution is
4. Question 4.16:Write the significance/applications of dipole moment.
5. Question 1.4:Why is glass considered a super cooled liquid?
6. The lustre of the metals is because of
8. The complete form of 'IC' in electronics is