11-09-2022, 07:59 PM
Download official model question paper for CBSE class 10 Board exam 2023 for Science with answer key.
Some sample questions from CBSE Xth Science Model Paper 2023
1. On placing a copper coin in a test tube containing green ferrous sulphate solution, it will
be observed that the ferrous sulphate solution
(a) turns blue, and a grey substance is deposited on the copper coin.
(b) turns colourless and a grey substance is deposited on the copper coin.
© turns colourless and a reddish–brown substance is deposited on the copper coin.
(d) remains green with no change in the copper coin.
2. Anita added a drop each of diluted acetic acid and diluted hydrochloric acid on pH paper
and compared the colors. Which of the following is the correct conclusion?
(a) pH of acetic acid is more than that of hydrochloric acid.
(b) pH of acetic acid is less than that of hydrochloric acid.
© Acetic acid dissociates completely in aqueous solution.
(d) Acetic acid is a strong acid
3. If a tall pea plant is crossed with a pure dwarf pea plant then, what percentage of F1 and F2 generation respectively will be tall?
(a) 25%, 25%
(b) 50%, 50%
© 75%,100%
(d) 100%, 75%
4. A complete circuit is left on for several minutes, causing the connecting copper wire to
become hot. As the temperature of the wire increases, the electrical resistance of the wire
(a) decreases.
(b) remains the same.
© increases.
(d) increases for some time and then decreases.
5. Which of the following pattern correctly describes the magnetic field around a long
straight wire carrying current?
(a) straight lines perpendicular to the wire.
(b) straight lines parallel to the wire.
© radial lines originating from the wire.
(d) concentric circles centred around the wire
Download the complete CBSE 10th Science Sample paper and answer key from the links given below.
CBSE class 10 official model paper 2023- SCIENCE.pdf (Size: 708.32 KB / Downloads: 457)
CBSE class 10 official model paper 2023 Answer Key- SCIENCE.pdf (Size: 415.08 KB / Downloads: 486)
Check the CBSE STD 10 Board exam 2023 official model papers with solutions  atÂ
CBSE Class 10 Board Exam 2023 Official Model Question Papers- All Subjects
Some sample questions from CBSE Xth Science Model Paper 2023
1. On placing a copper coin in a test tube containing green ferrous sulphate solution, it will
be observed that the ferrous sulphate solution
(a) turns blue, and a grey substance is deposited on the copper coin.
(b) turns colourless and a grey substance is deposited on the copper coin.
© turns colourless and a reddish–brown substance is deposited on the copper coin.
(d) remains green with no change in the copper coin.
2. Anita added a drop each of diluted acetic acid and diluted hydrochloric acid on pH paper
and compared the colors. Which of the following is the correct conclusion?
(a) pH of acetic acid is more than that of hydrochloric acid.
(b) pH of acetic acid is less than that of hydrochloric acid.
© Acetic acid dissociates completely in aqueous solution.
(d) Acetic acid is a strong acid
3. If a tall pea plant is crossed with a pure dwarf pea plant then, what percentage of F1 and F2 generation respectively will be tall?
(a) 25%, 25%
(b) 50%, 50%
© 75%,100%
(d) 100%, 75%
4. A complete circuit is left on for several minutes, causing the connecting copper wire to
become hot. As the temperature of the wire increases, the electrical resistance of the wire
(a) decreases.
(b) remains the same.
© increases.
(d) increases for some time and then decreases.
5. Which of the following pattern correctly describes the magnetic field around a long
straight wire carrying current?
(a) straight lines perpendicular to the wire.
(b) straight lines parallel to the wire.
© radial lines originating from the wire.
(d) concentric circles centred around the wire
Download the complete CBSE 10th Science Sample paper and answer key from the links given below.
CBSE class 10 official model paper 2023- SCIENCE.pdf (Size: 708.32 KB / Downloads: 457)
CBSE class 10 official model paper 2023 Answer Key- SCIENCE.pdf (Size: 415.08 KB / Downloads: 486)
Check the CBSE STD 10 Board exam 2023 official model papers with solutions  atÂ
CBSE Class 10 Board Exam 2023 Official Model Question Papers- All Subjects