Chemistry Class 9 Chapter 8 Chemical Reactivity MCQs related to Which One Of The Following Will Not React With Dilute HC1, Non-Metals are Generally Soft, But Which One Of The Following Is Extremely Hard, Which One Of The Following Non-Metal Is Lustrous, Which One Of The Following Is Brittle, Metals Lose Their Electrons Easily Because, Which Of The Following Is Less Malleable, Pure Alkali Metals Can Be Cut Simply By Knife But Iron Cannot Because Of Alkali Metals Have, Which One The Following Is The Lightest And Floats On Water, Sodium Is Extremely Reactive Metal, But It Does Not React With, Which One Of The Following Metals Burn With Brick Red Flame When Heated In Air, Metals Can Form Ions Carrying Charges:
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The division of biology that deals with study of animals is called?
A. Botany
B. Microbiology
C. Anatomy
D. Zoology
View AnswerD. Zoology
The y-intercept for Y= 3-4X is____.
A. 12
B. -12
C. 3
D. -3
View AnswerC. 3
5x+3Y=12 is an equation of _____.
A. Straight line
B. Circle
C. Curve
D. Semi circle
View AnswerA. Straight line
A Single Interrupt Line Can Be Used To Service N Different Devices.
A. True
B. False
C. Real-Time Processing
D. Multi-User
View AnswerA. True
Measures of dispersion never be
A) Positive
B) Zero
C) Negative
D) All of these
View Answer C) Negative
The sum of deviations taken from ——— is zero.
A) G. M
B) Mode
C) Median
D) Mean
View Answer D) Mean
Sum of squared deviations taken from ——— is minimum.
A) Median
B) Mean
C) Mode
D) None of these
View Answer B) Mean