Class 10

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Poorun

Asked: December 6, 2021In: Class 10 Science

Which of the following statement is correct about metals?

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Mamta Kamari

Asked: December 6, 2021In: Class 10 Science

A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that the rice water contains:

Solution of Iodine is often used for testing the presence of starch in the food particles, as we know that. But, when iodine is added to starch, it turns blue-black. rice water it turns blue-black because it contains starch, hence ...

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Kumar Verma

Asked: December 4, 2021In: Class 10 Science

A student obtained a sharp image of a candle flame placed at the distant end of the laboratory table on a screen using a concave mirror to determine its focal length. The teacher suggested him to focus a distant building about 1 km far from the laboratory, for getting more correct value of the focal length. In order to focus the distant building on the same screen the student should slightly move the:

Class 10th Science Session 2022-23 Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions

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Gokul

Asked: December 4, 2021In: Class 10 Science

Food cans are coated with tin and not with zinc because

Class 10th Science Session 2022-23 Class X Science MCQ Extra Questions Answers Class 10 Science Terminal Exams MCQ Solutions 10th Science Terminal Exam Based MCQ Extra Questions

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Jessika

Asked: December 4, 2021In: Class 10 Science

Is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?

As a living organism, it is necessary to separate the oxygenated blood from mixing with deoxygenated blood as mammals and birds both needs high energy because they constantly require energy to process their body organisms and maintain their body temperature. ...

Category: Class 10

Which of the following statement is correct about metals?

A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that the rice water contains:

Food cans are coated with tin and not with zinc because

Is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?

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