Tell me the procedure of get the sample papers of central board of secondary education because I have need of its sample papers for science to do preparation of its exam so want to get its from net and so ask you about this

[Vishal Kotkar]

We are providing you the sample question paper of 10th class science of CBSE pattern.

Que. 1 Acetic acid was added to four test tubes containing the following
chemicals:
a. Sodium carbonate
b. Blue litmus solution
c. Lime water
d. Distilled water
Which amongst these is/ are correct option(s) for carrying out a
characteristic test for identification of a carboxylic acid (acetic acid) in
the laboratory?
1. (a) only
2. (c) only
3. (a) and (b)
4. (c) and (d)

Que. 2 On adding concentrated NaOH solution to a test tube containing
phenolphthalein, the colour change observed by a student would be:
a. Pink to colourless
b. Pink to blue
c. Colourless to pink
d. Red to blue

for more questions we are attaching a PDF with it so you can get it easily.