SSLC (English Medium) कक्षा ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions

______ is the first organic compound synthesized in the laboratory. 

______ is the Father of Modem Organic Chemistry.

The inorganic carbon compound that takes past in photosynthesis is ______.

Assertion (A): The number of carbon compounds alone is more than the number of compounds of all the elements taken together.
Reason (R): Carbon has some unique properties such as

1. Catenation
2. Tetravalency
3. Multiple bonds
4. Allotropy
5. Isomerism.

Assertion (A): There are various classes of carbon compounds formed.
Reason (R): The property of Isomerism is the main reason.

How did the ancients obtain charcoal?

Name two inorganic carbon compounds which are used as an antacid?

Name the primary factor that determines the physical and chemical properties of compounds.

Write the classification of carbon compounds.

What are drugs? What are their characteristics?

The drug that ¡s known as the “Miracle drug” is ______.

The word “drug” is derived from the French word “droque” which means a ______.

Malaria is a ______ borne disease. 

______ is extensively used for rheumatic fever, narrowing of the heart wall, bronchitis, and pneumonia.

When cancer occurs, cells are reproduced in a controlled manner.

Malaria decreases body temperature.

Assertion (A): It is possible to detect alcohol drunken drivers.
Reason: Detection is done through the electrochemical redox reaction of alcohol.

Define Drug.

What is Chemotherapy?

Match the following: