(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

State the observation for the following, when:

Concentrated sulphuric acid is added to carbon.

Name the alloys for the given composition:

Magnesium and aluminium

Name the alloys for the given composition:

Magnesium + Manganese + Aluminium + Copper

Complete and balance the following reaction, state whether dilute or conc. acid is used.

\[\ce{NH4OH + HCl->}\]

Complete and balance the following reaction, state whether dilute or conc. acid is used.

\[\ce{NH4OH + HCl->}\]

Convert Hydrochloric acid to nascent chlorine.

Write an equation for the reaction of hydrochloric acid on:

Manganese (IV) oxide

Convert Hydrochloric acid to nascent chlorine.

Complete and balance the following reaction, state whether dilute or cone. acid is used.

\[\ce{NA4OH + HCl -> }\]

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.

Complete and balance the following reaction, state whether dilutes or conc. acid is used.

\[\ce{NH4OH + HCl -> }\] 

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D, and E.

Complete and balance the following reaction, state whether dilute or cone. acid is used.

\[\ce{NH4OH + HCl ->}\]

Complete and balance the following reaction, state whether dilute or conc. acid is used.

\[\ce{NH4OH +HCI ->}\]

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.

Convert Hydrochloric acid to nascent chlorine.

Identify the alloy in the given composition.

iron, nickel, chromium, carbon

Write one use of the following alloy:

Bronze

Write one use of the following alloy:

Fuse metal

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.