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10th Grade Science Questions and Answers (Q&A)

A positively charged ion is called CATION; negatively charged ion is called ANION

2 Answers

Sulphur becomes sulphur dioxide when sulphur is burned in a blue flame of oxygen gas. Sulphur dioxide reacts to the addition of water, becoming acidic, that is an acid solution. It is then correctly names sulphuric acid. It will change the blue litmus paper to red, but if the litmus paper is red to begin with, the colour does not change.

When combined with oxides other colours occur. This is why experiments with sulphur are popular with science teachers because the result is easily visible, prompts questions from the class and the various results are easily recorded.

1 Answer

Blood is not blue. The viens appear to be blue you idiot

1 Answer

I thought is was chlorophyll, how will it be Palisade?

1 Answer

No, unless it is a decompostion reaction

1 Answer

In a green house, there can be many factors responsible for the ultimate produce. These are small areas that are manmade and influenced to optimize plant production. Every plant needs abundant carbon dioxide, good soil and adequate sunlight to grow healthy and strong. Factors like humidity and warmth matter as well.

However, sometimes one factor becomes the limiting problem. In this case increasing the amount of that factor results in extra growth of the plant. In the problem, increasing the carbon dioxide concentration lead to increase in plant growth, hence it was the limiting factor in the green house set up.

1 Answer

It is made up of the Smooth muscle tissue. So, the correct option is B.

1 Answer

Yes, the electric generator does works and this generator converts mechanical energy into electricity. And if you are looking for more solutions related to your book and studies the visit Tiwari Academy for free solutions

1 Answer

True.

A convex mirror is a converging lens, while a concave mirror is a diverging lens.

1 Answer

Yes, PH generally stands for "Power of hydrogen". Basically, it is termed as Potential of Hydrogen.

1 Answer

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