EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Consider the following statements

1. The carat is a unit of purity for gold alloys.

2. 18 carat gold is 24 parts gold and 6 parts another metal.

Which of the statement(s} given above is/are correct?

50% studentsanswered this correctly

Important Questions on Chemistry

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 17
Which of the following is the important ore of magnesium?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 18
Which one of the following elements cannot displace hydrogen gas from a dilute acid?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 19
"925 fine silver" is an alloy of 
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 20

An example of an oxide ore is 

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 21

Match List I (Alloys) with List II (Constituents).

List I List II
A. Nicrome 70% cu+ 30% Zn
B. Brass 66% Ni+ 33% Cu
C. Monel 60% Ni+ 20% Fe+20% Cr
D. Coinage metal 75% cu+ 25% Ni
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 23
Stainless steel does not rust because
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 24
Which alloy contains Cu, Sn and Zn?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 28
Which one of the following materials is very hard and very ductile?