Explanation

• The empirical formula of water is H₂O

• Freezing point: 0°C (32°F)
• Boiling point: 100°C
• Molar mass: 18.015 g/mol
• Density: 997 kg/m³
• Melting point: 0°C

Last updated by NA on 25-April-2026

Explanation

• Multan is known as the City of Saints, the City of Sufis.
• It is a major center for blue pottery and historic shrines.
• Due to its many Sufi shrines and mystics.

Additional information:

• Province: Punjab, Pakistan
• Located on: Chenab River
• Population Rank: 7th largest city in Pakistan
• Union Councils: 4

Last verified on 20-07-2026

Explanation

• Rohtas Fort near Jhelum was built by Sher Shah Suri.
• He was the founder of the Suri Empire in India.
• It is a 16th-century fortress.
• It is located near the city of Dina in Jhelum.
• The construction started in 1541.
• It has 14 gates.

Last verified on 01-05-2026

Explanation

• • Date Presented: March 28, 1929
• • Location: Delhi, India (All-India Muslim League session)
• • Reason: In direct response to the Nehru Report (1928)

          Additional information:

Last verified on 18-07-2026

Explanation

• First Viceroy of India: Lord Canning in 1858

Additional information:

• Last Viceroy of India: Lord Mountbatten in 1947
• First Governor of Bengal: Robert Clive
• First Governor-General of Bengal: Warren Hastings (1772-1785)
• First Governor-General of India: William Bentinck in 1833

Last verified on 08-10-2026

Explanation

• Surah Al-Fatihah is called Ummul Kitab (Mother of the Book).
• It is the first Surah of the Holy Quran.
• It is also called Ummul Quran due to its central importance.
• It summarizes core teachings of worship, guidance, and prayer.
• It is recited in every unit of Salah (Namaz).
• It has 7 verses.

Last verified on 07-07-2026

Explanation

• Common salt is chemically known as sodium chloride (NaCl).
• It is an ionic compound composed of sodium and chloride ions
• Representing a 1:1 ratio of sodium and chloride ions
• Formula: NaCl
• Melting point: 801 °C
• Density: 2.16 g/cm³
• Boiling point: 1,465 °C

Question updated on 11-02-2026

Explanation

• Bahadur Shah Zafar is the last Mughal emperor of India (reigned 1837–57).
• He was a poet, musician, and calligrapher, more an aesthete than a political leader.
• He was born October 24, 1775, in Delhi, India.
• He died November 7, 1862, in Rangoon [now Yangon], Myanmar.

Additional information:

• The first Mughal emperor was Babur, who founded the empire in 1526.

Last verified on 01-06-2026

Explanation

• Watt (W) is the SI unit of power, while kilowatt (kW) is also a unit of power.
• 1 kilowatt = 1,000 watts.
• Power indicates the rate at which energy is used or transferred.

Additional information:

• Kilowatt-hour (kWh) is a unit of electrical energy.

Last verified on 05-10-2026

Explanation

• China — North‑northeast (around 559–595 km)
• Afghanistan — Northwest (~2,400 km+)
• India — East (~2,900 km+)
• Iran — West (~900 km)
• Arabian Sea — South (~1,046 km)

Last verified on 19-03-2026