NSO Level 1- Science Olympiad (SOF) Class 10: Questions 593 - 596 of 986

Access detailed explanations (illustrated with images and videos) to 986 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 593

» Chemical Reactions and Equation

Edit
MCQ▾

Question

Iron filings were added to a solution of Copper sulphate. After miniutes, it was observed that the blue colour solution changed and a deposit at the bottom of the beaker was observed. The colour of the solution and that of the deposit would respectively be

Choices

Choice (4) Response

a.

Yellow and green

b.

Brown and blue

c.

Light green and reddish-brown

d.

Red and greenish-blue

Question number: 594

» Light - Reflection and Refraction

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the column I and column II and the select the correct option from the coded given below:

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Concave Lens

(i)

Ratio of the height of image to object

(B)

Power of a lens

(ii)

Thicker at the centre

(C)

Magnification

(iii)

Thinner at the centre

(D)

Convex Lens

(iv)

Diopter

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iv)
  • (i)
  • (iii)
  • (ii)

b.

  • (iii)
  • (ii)
  • (iv)
  • (i)

c.

  • (iii)
  • (iv)
  • (i)
  • (ii)

d.

  • (i)
  • (ii)
  • (iv)
  • (iii)

Question number: 595

» Acids, Bases and Salts

Edit
MCQ▾

Question

When bases are added in acids, then what we will get,

Choices

Choice (4) Response

a.

Water

b.

Salt

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 596

» Metals and Non - Metals

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match both the columns and mark the correct option from the codes given below:

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Bronze

(i)

Electrical wire cables, sockets

(B)

Copper

(ii)

Silver coins

(C)

Aluminium

(iii)

Gears, ships propellers, bearings.

(D)

German silver

(iv)

Aircraft parts

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (i)
  • (iv)
  • (iii)

b.

  • (iii)
  • (iv)
  • (i)
  • (ii)

c.

  • (i)
  • (iii)
  • (ii)
  • (iv)

d.

  • (iii)
  • (i)
  • (iv)
  • (ii)