Explanation

Washing soda is also known as sodium carbonate (Na2CO3).

It is used to remove permanent hardness of water.

Permanent hardness is caused by the presence of magnesium and calcium sulfates or chlorides in water, which cannot be removed by boiling.

Washing soda helps to precipitate these minerals, making the water softer.

Explanation

Mangrove forests are found in the Indus delta region of Sindh, Pakistan.

The Indus delta is a network of distributaries, creeks, and estuaries that empty into the Arabian Sea, creating a coastal ecosystem that supports mangrove forests.

Explanation

Bondi Beach is a popular beach and the name of the surrounding suburb in Sydney, New South Wales, Australia.

Bondi Beach is located 7 km (4 mi) east of the Sydney central business district.

Explanation

Najashi is also known as Ashama ibn Abjar.

He was the King of Abyssinia (modern-day Ethiopia) who became a Muslim at the hands of Hazrat Jafar ibn Abi Talib, a cousin of the Prophet Muhammad (SAW).

Hazrat Jafar ibn Abi Talib recited the Quran to Najashi, who was impressed by its beauty and truth, and subsequently accepted Islam.

Explanation

The snow line is also known as the snow level or snow boundary.

It refers to the elevation or altitude above which snow remains on the ground for a significant part of the year, often perpetually.

It marks the boundary between the area where snow melts completely during the summer and the area where snow remains year-round.

Explanation

Idi Amin Dada Oumee was a Ugandan military officer and politician who served as the President of Uganda from 1971 to 1979.

He is known for his brutal regime and is considered one of the cruelest despots in world history.

He died on August 16, 2003, at the age of 78, in Jeddah, Saudi Arabia.

Explanation

Heer Ranjha is a famous folk tale from Punjab, and according to the story, Heer's real name was Izzat Bibi.

Heer Ranjha was written by Waris Shah.

Heer Ranjha was written in 1766.

It tells the story of the love of Heer Sial and her lover Dheedo Ranjha.

Explanation

Jamia Millia Islamia, an institution originally established at Aligarh in United Provinces, India in 1920.

It became a Central University by an act of the Indian Parliament in 1988.

Explanation

Adnan Siddique is a Pakistani actor who worked in the Indian movie "Mom" (2017) alongside Sridevi, Akshaye Khanna, and Nawazuddin Siddiqui.

He played the role of Sridevi's husband in the film.

Explanation

Neelam Ahmed Bashir has some good short story collections on her credit۔

The book was based on 9/11 issue and subsequent impact on Pakistani Muslims living in USA and therefore had a promising outline as very few books (novels) have been written in Urdu on this subject.