Question

Observe the given graph and answer the following questions:





a. Name the process represented in the figure.

b. At what temperature does this process take place?

iv. Complete the given chemical reaction:

CuSO4 (aq) + Fe (s)  _______ + _______.

Name the type of the reaction.

v. Write a short note on Alloying.

Q.3. Answer the following (any five): [15]

i. An element has its electronic configuration as 2, 8, 2. Now answer the following questions:

a. What is the atomic number of this element?

b. What is the group of this element?

c. To which period does this element belong?

ii. Observe the given figure showing the orbit of a planet moving around the Sun and write the three

laws related to it:

iii. Read the given passage and answer the following questions:

The home electrical connection consists of ‘live’, ‘neutral’ and ‘earth’ wires. The ‘live’ and the

‘neutral’ wires have potential difference of 220 V. The ‘earth’ is connected to ground. Due to a fault

in the equipment or if the plastic coating on the ‘live’ and the ‘neutral’ wires gives a way the two

wires come in contact with each other and a large current flows through it producing heat. If any

inflammable material (such as wood, cloth, plastic, etc.) exists around that place it can catch fire.

Therefore a fuse wire is used as a precautionary measure.

a. Name the two wires having potential difference of 220 V.

b. What is short circuit?

c. Write the function of a fuse.

iv. Observe the given figure and answer the following questions:



a. Name the process represented by the figure.

b. State the two laws related to the process.

v. What is an artificial satellite? Name any two types of artificial satellite and state their functions.

vi. Answer the following questions:

a. Define Hydrocarbons.

b. Name the types of Hydrocarbons.

c. Name two carbon compounds used in day-to-day life.

0 1 2 3 4 5 6 7 8 9 10​

Answer 1

Answer:

sorry but I am in 1st std u can do yourself right