Explanation

The eyepiece lens has a shorter focal length compared to the objective lens.

It typically around 1-2 cm.

Explanation

• Felis catus is the scientific name for the domestic cat.
• It belongs to the family Felidae and is a member of the order Carnivora.

Explanation

• The speed of sound is maximum in solids.
• Because the particles are closely packed, allowing for efficient transmission of vibrations.

Explanation

• Filtration
• Sedimentation
• Decantation
• Distillation
• Chromatography

Explanation

• The correct statement about the fluid mosaic model of membrane structure is: The more unsaturated the fatty acid, the more fluid nature.
• Unsaturated fatty acids have kinks in their tails that prevent the lipids from packing tightly together, thus increasing membrane fluidity.

Explanation

• A ratio is a comparison of two values or quantities, often expressed as a fraction or a decimal.
• It shows the relative size or magnitude of one value compared to another.
• For example: 2:3 or 2/3 is a ratio comparing the value 2 to the value 3.

Explanation

CN (cyanide ion) is a Lewis base.

Because it donates an electron pair to form a coordinate covalent bond.

Explanation

• Butter is a mixture of solid fat particles (solute) dissolved in liquid oil (solvent), making it a solid-liquid solution.
• This type of solution is also known as a sol or a gel.

Explanation

Carbon Dioxide is responsible for fermentation.

During fermentation, microorganisms like yeast convert sugars into alcohol and carbon dioxide as byproducts.

Explanation

Selenium (Se) is a metalloid, which means it exhibits some properties of metals and some properties of nonmetals.

Metalloids are elements that are intermediate in character between metals and nonmetals.