Who was the first Indian woman to become a chess

In which type of chemical reaction do crystals of ferrous sulphate lose water on heating and the colour of the crystals changes from light green to white?

Faqir Chand Kohli, who passed away in November 2020, was known as the ‘_____’.

The Sustainable Development Goals (SDG) performance index measures the performance of how many countries?

What is the approx width of broad-gauge railway network in India? 

Consider the following statements regarding Jal Jeevan Mission.

1. It aims to provide piped drinking water to all rural households by 2024,

What was the code name given by Indian Air Force for February 2019 surgical Strike on Balakot? 

State Bank of India secured loan of USD1 billion from which of these international body? 

According to Census of India 2011, in which of the following states was the gap in the literacy rates of males and females, highest?

Who among the following wrote a book called ‘Indica’ based on his travels and experiences in Mauryan India?