Explanation

Organic chemistry is the branch of chemistry that focuses on the structure, properties, composition, reactions, and preparation of compounds containing carbon.

While many organic compounds also contain hydrogen, oxygen, nitrogen, and other elements,

The defining element in organic chemistry is carbon.

Explanation

IRON:

• Symbol: Fe
• Atomic mass: 55.845 u
• Atomic number: 26
• Electron configuration: [Ar] 3d64s2
• Density: 7.874 g/cm³ (near room temperature)
• Electrons per shell: 2, 8, 14, 2
• Melting point: 1,538 °C

Explanation

A formula in Excel always begins with an equal sign (=).

Excel interprets the characters that follow the equal sign as a formula

. Following the equal sign are the elements to be calculated (the operands), such as constants or cell references.

Calculation operators separate these.

Explanation

The coulomb, also written as its abbreviation 'C', is the SI unit for electric charge.

One coulomb is equal to the amount of charge from a current of one ampere flowing for one second.

One coulomb is equal to the charge on 6.241 x 1018 protons.

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Explanation

 Convection is the transfer of heat through the movement of a fluid, meaning it occurs in liquids and gases. 

Liquids: In liquids, warmer, less dense molecules rise, carrying heat with them. 

Gases: Similarly, in gases, hot molecules move more readily, transferring heat through the space

Explanation

The correct phrasal verb is "bear with", which means to tolerate or be patient with someone.

Sentence:

"You must bear with his rudeness."

Explanation

Plasma is the fourth state of matter, following:

1. Solids
2. Liquids
3. Gases

It consists of ionized gases with equal numbers of positively and negatively charged particles.

Explanation

The National Assembly has a total of 342 seats.

Of these, 266 are filled through direct elections.

10 seats are reserved for religious minorities.

60 seats are reserved for women, allocated through proportional representation to parties with more than 5% of the vote.

Explanation

• Al-Baqarah (The Cow or The Heifer) is the second and longest chapter of the Quran, with 286 verses.
• It derives its name from the story of the cow (vv. 67-73).
• Verse 282, the longest verse, is known as 'āyatu d-dayn.
• It consists of 25,500 letters and is positioned in Juzʼ 1–3.
• The chapter has 40 Rukus and is classified as Medinan.
• Hazrat Ibrahim (علیہ السلام) is mentioned 13 times.
• The verse 183 describes the obligation of fasting (soam).
• Surah Aal-e-Imran is the second longest surah of Holy Quran.
• Surah Al-Kausar is the shortest surah of Holy Quran.

Explanation

Istilam is the act of kissing Hajar al-Aswad or gesturing towards it at the beginning and at the end of each circuit of the Kaaba during the rite of Tawaf.

In Hajj, touching the Black Stone is called Istilam.

 Istilam is an established sunna action of the Tawaf

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