Questions

Indian Grandmaster Viswananthan Anand (48 year) has won the World Rapid Chess Championship 2017 in Riyadh, Saudi Arabia. He remained unbeaten throughout the tournament and bags the top position on a tie-break after three-way tie with Vladimir Fedoseev.Note: World Rapid Chess Championship is a tournament to determine the World Champion in Chess played under rapid time controls.

It was the Qing Dynasty, who was a Manchu.

Hence, it was " the manchus" whose ruling ended after 1911 chinese revolution.

In Ancient Rome, the elected people i.e, leaders within the Concilium Plebis are called as Tribunes.

Carbon dioxide (CO2) gas dissolved in water can cause water to become acidic.The acidity of water from dissolved CO2 can be reduced by a base such as baking soda (sodium bicarbonate).