Explanation

The pH of pure water (H20) is 7 at 25 °C

pH stands for "Potential Hydrogen"

Explanation

The angle sum of a triangle will always be equal to 180°.

The angle sum of a quadrilateral is equal to 360°

And a triangle can be created by slicing a quadrilateral in half from corner to corner. Since a triangle is essentially half of a quadrilateral

Its angle measures should be half as well. Half of 360° is 180°

Explanation

Laugh is an intransitive verb and does not take any object.

Laughed is the second and third form of Laugh.

Explanation

Garbage means کچرا

Litter means گندگی

Explanation

• Red (R) Green (G) and blue (B) colors are known as primary colors of light.
• Because of mixing these three colors we are able to make all possible colors.

Key Point

The primary colors of Pigment is:

• Red
• Yellow
• Blue

Explanation

Explanation

Evaporation is the process where liquid turns into gas at temperatures below its boiling point.

It occurs at the surface of the liquid.

It is influenced by factors like temperature and surface area.

Explanation

In the Fahrenheit scale:

• The freezing point of water is 32°F
• The boiling point of water is 212°F

Explanation

 Decrease = 25,000 - 24,500 = 500

Percentage decrease = (500 / 25,000) × 100 = 2%

Explanation

Contrast means اس کے برعکس

Dissimilarity means فرق