Saleha Pervez, Mansi Garg and, Poonam Singh Solutions for Chapter: Practice Set, Exercise 4: ANALYSE YOURSELF

Consider the following statements:

1. A blackboard is an example of an ideal black body.

2. Silver in the best conductor of heat.

3. Clear nights are colder than cloudy nights.

Which of the statements given above are correct?

Which of the following is/are the service models of cloud computing?

1. Infrastructure as a Service (IaaS)

2. Platform as a Service (PaaS)

3. Software as a Service (SaaS)

4. Desktop virtualization

Select the correct answer using the codes given below.

Consider the following statements:

$1$. The Galvanic cell converts chemical energy into electrical energy.

$2$. In a galvanic cell, the electron flow from anode to cathode occurs through the external circuit.

$3$. The Galvanic cell converts metal from its elemental state to the combined state.

Which of the statements given above is/are correct?

Consider the following statements:

1. The space surrounding a charge in uniform motion has an only magnetic field.

2. The core of an electromagnet is made up of soft iron because soft iron has large susceptibility and large retentivity.

Which of the statements given above is/are correct?

Given below are the functions of calcium for body regulation, which is/are incorrect function(s) among them?

1. Bone, teeth formation, and growth.

2. Acid and base regulation.

3. Digestion

4. Regulation of heartbeats.

Select the correct answer using the codes given below.

Consider the following statements about laughing gas (N₂O):

$1$. It is used as a propellant for whipped ice cream.

$2$. It is used as an anaesthetic.

$3$. It is used for the preparation of N₃H.

$4$. It is used as fuel for rockets.

Which of the statements given above is/are correct?

Consider the following statements:

1. Pilot tube is an instrument and is based upon Bernoulli’s theorem by which the rate of flow of the gas is measured.

2. The coefficient of viscosity is the only parameter through which the viscosity of the fluid is measured.

3. The Negative sign of the coefficient of viscosity indicates that the viscous force opposes the relative motion.

Which of the statements given above are correct?

Consider the following compounds with the reference to a constituent of Dettol:

1. Chloroxylenol

2. Terpineol

Which of the compounds given above is/are correct?