HSC Science (Computer Science) 11th Standard - Maharashtra State Board Question Bank Solutions

Write a balanced chemical equation for the following.

A 50% solution of sulphuric acid is subjected to electrolyte oxidation and the product is hydrolysed.

Write a balanced chemical equation for the following.

Magnesium is heated in air.

Write a balanced chemical equation for the following.

Beryllium oxide is treated separately with aqueous HCl and aqueous NaOH solutions.

Answer the following question.

Describe the diagonal relationship between Li and Mg with the help of two illustrative properties.

Answer the following question.

A water sample, which did not give lather with soap, was found to contain \[\ce{Ca(HCO3)2}\] and \[\ce{Mg(HCO3)2}\]. Which chemical will make this water give lather with soap? Explain with the help of chemical reactions.

Name the following.

Alkali metal with smallest atom.

Name the following.

The most abundant element in the universe.

Name the following.

Radioactive alkali metal.

Name the following.

Ions having high concentration in cell sap.

Choose the correct option.

Which of the following temperature will read the same value on celsius and Fahrenheit scales?

Choose the correct option.

SI unit of the quantity electric current is __________

Give one example of a homogeneous mixture.

Give one example of a heterogeneous mixture.

Give one example of an element.

Give one example of a compound.

Explain types of matter (on the basis of chemical composition).

Choose the correct option:

The branch of chemistry which deals with study of separation, identification, and quantitative determination of the composition of different substances is called as __________

Choose the correct option:

Which one of the following property of matter is Not quantitative in nature?

Define: Least count

How many significant figure is in the following quantity?

45.26 ft