Questions

A galvanic cell is also known as voltaic cell provides electrical energy from the chemical energy.

Makaibari is the world's first tea factory and was established in 1859 in Darjeeling, West Bengal. 

It is most expensive tea in India which costs around 1.12 lakhs for 1 kg of tea.

Hence, Makaibari is the costliest variety of Tea.

The world's fastest elevator that can operate at a record speed of 1,260 meters per minute is set to be installed in a skyscraper complex in China. The elevator has various safety features including brake equipment that uses materials with high heat resistance. Apart from this, the elevator can absorb vibration during the high-speed operation to make the ride comfortable.

All the given reactions are Decomposition reactions.

Decomposition reaction is a reaction in which only one reactant is splitted into two or more products.

World Consumer Rights Day is being observed today (15 March 2017) which is an awareness day and theme for this year is 'Building a Digital World Consumers can trust'.