SST Past Paper SPSC Science Category 2024 – Morning/Evening

A number which is assigned to each atom or ion in a compound which explains its degree of oxidation is called

1. Oxidation degree only
2. Oxidation state and number
3. Oxidation state only
4. Oxidation number

Elements found in D-block of the periodic table are known as?

1. Acids
2. Noble gases
3. Transition elements
4. Alkalis

The soul of chemistry is dealing with

1. Internal structural changes in matter
2. Composition of matter
3. Properties of matter
4. Composition and properties of matter

Amines which are bonded in Alkyl group are?

1. Primary amines
2. Secondary amines
3. Tertiary amines
4. Quaternary amines

Phenyl amine is involved importantly in the synthesis of?

1. Dyes
2. Medicines
3. Drugs
4. Capsules

The distribution of energy for temperature was given in?

1. Boltzmann distribution
2. Boltzmann energy
3. Boltzmann temperature distribution
4. Boltzmann pressure

Which of the following is a fat-soluble vitamin?

1. Vitamin B
2. Vitamin C
3. Vitamin B12
4. Vitamin K

The condition created due to the deficiency of Niacin is called?

1. Scurvy
2. Rickets
3. Pellagra
4. Pernicious anaemia

Deficiency of _______ causes the leaves to develop a dark green colouration.

1. Phosphorous
2. Potassium
3. Sodium
4. None of the above

______are the elements, without which, the plants will not be able to complete its life cycle.

1. Fertilizers
2. Microelements
3. Macroelements
4. Essential elements