SELECT * FROM question_mgmt as q WHERE id=4363 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=12 AND subId=16 AND chapterId=367 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 8th science Materials: Metals and Non-Metals mark lsquo t rsquo if the statement is true and

Question:

Mark ‘T’ if the statement is true and ‘F’ if it is false.

(a) Generally non-metals react with acids.                          (  )
(b) Sodium is a very reactive metal.                                    (  )
(c) Copper displaces zinc from zinc sulphate solution.       (  )
(d) Coal can be drawn into wires.                                        (  )

Answer:

(a) False

This statement is false because non- metals generally do not react with metal whereas metal does.

(b) True

This statement is true because, sodium is a very reactive metal. It is stored in kerosene, it catches fire easily.

(c) False

This statement is false because copper is less reactive than zinc. So, it cannot displace it.

(d) False

This statement is false because coal cannot be drawn into wires. Coal is a form of carbon which is a non- metal. Non- metal does not show the property of ductility.


< Previous Question

Next Question >

SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='12' AND subId='16' AND ex_no!=0 AND status=1 and id!=4363 ORDER BY views desc, last_viewed_on desc limit 0,10

  • Popular questions of class 8 Science

SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='12' AND subId='16' AND ex_no!=0 AND status=1 and id!=4363 ORDER BY last_viewed_on desc limit 0,10

  • Recently Viewed Questions of Class 8 Science

Comments

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

Comment(s) on this Question


NCERT Solutions

Quick Links

Resources

Support