48000+ Important MCQs for SSC

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Learn SSC MCQs with answers [Page -193 of Department 243]

D

Deepak Sahoo • 10.78K Points
Tutor II Chemistry

-1939) Wood charcoal is commonly prepared by the process of burning wood

  • (A) in contact with air
  • (B) in contact with pure oxygen
  • (C) in contact with nitrogen and inert gases
  • (D) out of contact with air
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Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

D

Deepak Sahoo • 10.78K Points
Tutor II Chemistry

-1937) Photographic plates are covered with black paper because

  • (A) sunlight is easily absorbed by black paper and it helps develop the film
  • (B) the cellulose acetate of the paper must remain fresh
  • (C) the conservation of silver bromide to metallic silver is essential
  • (D) silver bromide present on the plate is very sensitive to light and black paper prevents contact with light
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Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

B

Babita • 8.10K Points
Tutor III Computer

-1933) What does BCC mean in emails?

  • (A) Blank carbon copy
  • (B) Blind carbon copy
  • (C) Blue carbon copy
  • (D) Black carbon copy
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Correct Answer - Option (B)

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B

Babita • 8.10K Points
Tutor III Computer

-1930) Which of the following is the correct format for an email?

  • (A) abc.com
  • (B) abc@def.com
  • (C) www.abc.email
  • (D) abc@def
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Correct Answer - Option (B)

Explanation :

The correct format for an email address is:
(B) abc@def.com
Here's why:
* abc: This is the local part or username.
* @: This symbol separates the local part from the domain.
* def.com: This is the domain name, which includes the mail server's name and the top-level domain (.com, .org, .net, etc.).
Let's look at why the other options are incorrect:
* (A) abc.com: This is a website address, not an email address.
* (C) www.abc.email: While this looks website like, it is also not a valid email format.
* (D) abc@def: This is missing the top-level domain (.com, .org, etc.), making it incomplete and invalid.

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