Explanation

The chemical formula of baking soda is NaHCO₃, which stands for sodium bicarbonate.

The chemical name of baking soda is sodium hydrogen carbonate or sodium bicarbonate (NaHCO3).

Sodium bicarbonate is non flammable

Baking soda is basic in nature.

Explanation

The preposition “in” shows something inside.

The phrase "rich in" is a standard English idiom used to describe something that contains a large amount of a particular substance or quality.

Explanation

Prime factorization:

30 = 2 × 3 × 5

24 = 2³ × 3

18 = 2 × 3²

Common factors: 2 × 3 = 6

HCF = 6

Explanation

Series: 64, 48, 40, 36, 34, ?

Now find the differences between consecutive terms:

- 64 → 48: -16  

- 48 → 40: -8  

- 40 → 36: -4  

- 36 → 34: -2

You can see the differences are decreasing: -16, -8, -4, -2...

Next difference: -1

So, 34 - 1 = 33

Explanation

Explanation

The Fatimid Caliphate, an Ismaili Shia caliphate of the 10th to the 12th centuries CE, spanned a large area of North Africa, from the Red Sea in the east to the Atlantic Ocean in the west. The Fatimid dynasty, of Arab origin, ruled territories across the Mediterranean coast of Africa and ultimately made Egypt the center of the caliphate.

At its height, the caliphate included - in addition to Egypt - varying areas of the Maghreb, Sudan, Sicily, the Levant, and the Hijaz.

Fatimid Caliphate came to end in 1171 AD.

In 969, they conquered Egypt, and in 973 they established Cairo as the capital of their caliphate.

The Fatimid Caliphate was an Ismaili Shia caliphate of the 10th to the 12th centuries CE

Explanation

آپ ہی کے جوتیوں کا صدقہ ہے کا مطلب ہے کہ جو کچھ بھی ہے وہ آپ کی وجہ سے ہے، آپ ہی کی مہربانی اور کرم سے ہے۔

یہ کہاوت کسی بڑے یا بزرگ شخص کی تعریف میں استعمال ہوتی ہے، جس میں اپنی کمتری اور اس شخص کی بزرگی کا اظہار کیا جاتا ہے۔ 

Explanation

جوئے شیر لانا کا مطلب ہے کوئی ایسا کام کرنا جو بہت دشوار یا ناممکن ہو۔ 

یہ محاورہ کسی بڑی محنت یا مشکل کوشش کے لیے استعمال ہوتا ہے۔

Explanation

'Dog' is the subject of the sentence — the one performing the action (barking).

Though the sentence starts with "There is," the real subject comes after the verb "is."

Explanation

“This” replaces the name of something being pointed out, so it acts as a demonstrative pronoun.

It shows or identifies a specific object — here, “the book.”