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Sonal Chauhan

Asked: December 21, 2023In: Class 10 Science

(i) Write two observations when lead nitrate is heated in a test tube. (ii) Name the type of reaction. (iii) Write a balanced chemical equation to represent the above reaction.

CBSE sample paper class 10 science 2023-24 with solutions

Sonal Chauhan

Asked: December 21, 2023In: Class 10 Science

Define catenation. How does valency of an element vary across a period?

CBSE Class 10 Science Board Sample Question Paper 2023-24

Sandeep Jha

Asked: December 21, 2023In: Class 10 Science

Sandeep Jha: The current flowing through a resistor connected in an electrical circuit and the potential difference developed across its ends are shown in the given ammeter and voltmeter. Find the least count of the voltmeter and ammeter. What is the voltage and the current across the given resistor?

sample paper class 10 science 2023-24 with solutions

Sandeep Jha

Asked: December 21, 2023In: Class 10 Science

In the experimental set up on “Carbon dioxide (CO2) is released during respiration”, if one forgets to keep the vial with Potassium hydroxide (KOH) in the conical flask, how will the result vary? Give details

CBSE Class 10 Science Pre Board Sample Question Paper 2023-24

Rajshree Chatterjee

Asked: December 21, 2023In: Class 10 Science

A student always sitting at the back of the bench rows in a class, who has difficulty in reading. What could name of his defect of vision? Could you draw ray diagrams to illustrate the image formation of his eyes, when he is seated at the (i) back seat and also (ii) front seat. Could you state two possible reasons of his defect of vision. Could you explain the method of correcting this defect with the help of a ray diagram, if possible.

CBSE Class 10 Science Sample Question Paper 2023-2024

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