NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1707 - 1713 of 2029

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Question 1707

Question

MCQ▾

How can we calculate concentration of water solution?

Choices

Choice (4)Response

a.

b.

c.

Question does not provide sufficient data or is vague

d.

All of the above

Question 1708

Question

MCQ▾

Honey is an example of

Choices

Choice (4)Response

a.

Homogeneous Mixture

b.

Heterogeneous Mixture

c.

Pure Substances

d.

Question does not provide sufficient data or is vague

Question 1709

Question

MCQ▾

What is the product when chlorine gas passes through water in the presence of diffused sunlight?

Choices

Choice (4)Response

a.

HCl + HClO

b.

HClO

c.

4HCl + O2

d.

HCl

Question 1710

Question

MCQ▾

Complete the following reaction

C + H2O (steam) ⇾

Choices

Choice (4)Response

a.

CH3 + O2

b.

CH4 + O2

c.

CO2 + + H2

d.

CO + H2

Question 1711

Question

MCQ▾

Which property is similar in rusting and burning?

Choices

Choice (4)Response

a.

Needs oxygen

b.

They forms oxide

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question 1712

Question

MCQ▾

Which of the following process should be used to separate sugar dissolved in water?

Choices

Choice (4)Response

a.

Fractional distillation

b.

Filtration

c.

Evaporation

d.

Sedimentation and decantation

Question 1713

Question

MCQ▾

Which gas is used in respiration?

Choices

Choice (4)Response

a.

Nitrogen

b.

Oxygen

c.

Hydrogen

d.

Question does not provide sufficient data or is vague

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