Past Paper 10th Class Chemistry Lahore Board 2014 English Medium Group1

Past Paper 10th Class Chemistry Lahore Board 2014 English Medium Group1

Past paper 10^th class Chemistry Lahore Board 2014 group 1 paper has three parts: Subjective, objective and practical parts.  Following is the detail of each part.

Click here for Group 2 Paper of Chemistry 10th Lahore 2014

Objective Type

objective part has 12 multiple choice questions. Some of them are as follows:

• Which disease causes liver inflammation?
• What is just above the earth’s surface?
• Which salt is used to dry the gas?
• Which pollutant is not found in car exhaust gases?
• What is the color of lodine?

Subjective Type

Subjective part has 8 long questions. Some of them are as follows:

• Write equation of forward reaction between hydrogen and iodine.
• Write names of any two methods of preparation of salts.
• Write condensed formula of any two hydro carbons.
• What are saturated and unsaturated hydrocarbons?
• Write sources of vitamins A and D.
• Differentiate between atmosphere and environment.
• What is air pollutant? Give example of primary and secondary air pollutant.
• What process are involved in the extraction of metal?
• What are the causes of hardness in water, Write two effects of water pollution.
• Write down percentage of carbon, properties, and uses of different types of coal.
• Explain that natural fertilizers are better than synthetic fertilizers.

Practical

Practical part has 3 practical questions. Some of them are as follows:

• Explain the procedure of experiment used to identify aldehyde by Fehling solution.
• Write the procedure to identify metal ions by flame test.