UNIT 6 Parity of Gold
Read the following conversation between Shabhi and her mother and then answer the questo
given below:
Shobbi: Mother, what are you gifting in my birthday
Mother: Dear, will bey for you a betul pair of goddings
Shubbi: Wow! Mother
I am eagerly waiting for them Lit's go shopping right
Shabhi and her other visit the neuby jewelly hop
SALE
BETER B
Shubshi: Mother, what do you mean by 24 ct Gold?
Mother: Gold is alloyed because in it's purest form, it's too soft for making jewellery. It can
easily be bent with bare hands, or get scratched or murred.
An alloy is any mix of metal with other metals, used to give the material certain desired properties, like: increased hardness, variations incolor, lower, melting points, higher mehing points, or even lower price.
Gold purity content is categorized using the carat system. Depending on the ratio of pare gold to other alloys, the gold used in rings and other jewellery is usually categorized as 10k, 14k, 18k, 22k and 24k. We use K or ct or sometimes kt for carat
The higher the carat, the purer the gold, 24k gold is also called pure gold or 100 per cent gold.
This means that all 24 parts in this type of gold are all pare without traces of any other metals. 22K gold means there are 22 parts of gold and 2 parts of other metals. Question 17: Shubhi draws a table to calculate the purity of differem types of gold, choose the
correct values of x and y
Parts of gold Purity in
%
99.9%
X
75
22k
18 k
a) x 99.9 and y 20 b) 95% and y 20 c) x 91.7 % and y-18 d) x 86% und y 18
Question 18: The cost of 5 gm of gold earring was Rs.22,000 The shopkeeper charged making : charges @ Rs 1000 per gm of gold. Also, a GST of 18% was charged. What is the total amount that Shubhi has to pay?
a) Rs.27.000 b) Rs 31,860 c) Rs 29,000 d) Rs.34.220
Question 19: The shopkeeper apprised Shubhi about the special schemes of 5% discount available if she pays through card. If Shubhi pays by cand then what is the amount that she will be charged"
a) Rs. 30267
b) Rs. 30367 e) Rs. 30000 d) Rs. 31000
Question 20: Shubhi saw a beautiful ring which was made of Electrum. Electrum is an alloy of gold and silver with a small amount of other metals and is white in colour The ratio of gold and silver in a sample of electrum is 9:7 If the weight of the silver in that
sample of alloy is 9.8 kg. Then, what is the weight of the gold in the alloy? a) 11.2 kg
b) 88 kg e) 10.5 kg d) 12.6 kg
y/24
3/3
Answers
Answer:
UNIT 6 Parity of Gold
Read the following conversation between Shabhi and her mother and then answer the questo
given below:
Shobbi: Mother, what are you gifting in my birthday
Mother: Dear, will bey for you a betul pair of goddings
Shubbi: Wow! Mother
I am eagerly waiting for them Lit's go shopping right
Shabhi and her other visit the neuby jewelly hop
SALE
BETER B
Shubshi: Mother, what do you mean by 24 ct Gold?
Mother: Gold is alloyed because in it's purest form, it's too soft for making jewellery. It can
easily be bent with bare hands, or get scratched or murred.
An alloy is any mix of metal with other metals, used to give the material certain desired properties, like: increased hardness, variations incolor, lower, melting points, higher mehing points, or even lower price.
Gold purity content is categorized using the carat system. Depending on the ratio of pare gold to other alloys, the gold used in rings and other jewellery is usually categorized as 10k, 14k, 18k, 22k and 24k. We use K or ct or sometimes kt for carat
The higher the carat, the purer the gold, 24k gold is also called pure gold or 100 per cent gold.
This means that all 24 parts in this type of gold are all pare without traces of any other metals. 22K gold means there are 22 parts of gold and 2 parts of other met