Sorting And Sep...

Select from the given options the pair of objects/substances that will float in water.

Classify the following objects into different groups and choose the correct option among those given below:

1. Pencil
2. Wooden table
3. Notebook
4. Bucket
5. Polythene bag
6. Plastic chair
7. Bullock cart

Shreya is provided with the following objects and asked to put them in a bucket containing water.

Wooden toy, iron nail, stone, plant leaf, and plastic ball

Which among the given objects will float and which will sink in water?

Classify the following materials on the basis of their appearance and choose the correct option.

Four students are provided with four different substances as listed below:

Student A - Chalk powder
Student B - Salt
Student C - Sand
Student D - Sugar

When these substances are added to water, which of the students will obtain a solution?

Which of the following properties of materials is not considered during classification?

Which of the following statements is/are incorrect?

a. Iodine crystals have lustre.
b. All metals have a silvery white lustre.
c. Wood is a non-lustrous material.

Which of the following statements is correct about homogeneous and heterogeneous mixtures?

Which of the following mixtures is a true solution?

Which of the following statements is not true regarding methane?

Which of the following statements is false regarding compounds?