Questions

A mixture is the blending of two or more dissimilar substances.

Characteristics of a Mixture:

1. It has No formula.

2. It is an impure sustance

3. They can be mixed in any ratio.

4. The properties of the mixture are the properties of its constituents.

5. Constituents can e easily seperated by physical methods.
eg: Heating, Drying, Crystallization, Distillation etc...

6. It is either homogenous or heterogenous.

A major characteristic of mixtures is that the materials do not chemically combine. Mixtures can be divided into those that are evenly distributed (homogeneous) and those that aren't (heterogeneous).

The small intestine is the main area of the GI tract for absorption.

The small intestine has three separate sections. Theyare :

1. The duodenum

2. Jejunum and

3. Ileum.

Hence, the majority of nutrient absorption occurs in the duodenum and jejunum of small intestine.

Rust forms when oxygen reacts with chemicals in rocks, and that is often the case with many other elements in general. Like a copper nail being exposed to the air will rust.

Mercury and Bromine both will be in liquid state at room temperature. But mercury is metal. Hence, bromine is the only non metal which is in liquid state at room temperature.

India ranked low 103rd out of 130 countries surveyed on World Economic Forum’s (WEF) Global Human Capital Index (GHCI) 2017. In the previous edition India ranked 105th.