Law of conservation of mass in funny story mode

law of conservation of mass

C. Distinguish between accuracy andprecision.

B. What do you mean by significantfigures? State the rules for decidingsignificant figures.

A. Define : Least count

K. In CuSO4.5H2O the percentage of wateris ......(Cu = 63.5, S = 32, O = 16, H = 1)a. 10 % b

L. When two properties of a system aremathematically related to each other,the relation can be deduc

J. How many grams of oxygen will berequired to react completely with 27 gof Al? (Atomic mass : Al =

I. The hydrocarbon contains 79.87 %carbon and 20.13 % of hydrogen. Whatis its empirical formula ?a.

H. Two elements A (At. mass 75) and B (At.mass 16) combine to give a compoundhaving 75.8 % of A. The

G. How many grams of water will beproduced by complete combustion of 12g of methane gasa. 16 b. 27

F. By decomposition of 25 g of CaCO3,the amount of CaO produced will be............a. 2.8 g b. 8.4 g

E. In Avogadro’s constant 6.022 × 1023mol-1, the number of significant figuresis .........

D. The number of significant figures in1.50 × 104 g is ...........a. 2 b. 3c. 4 d. 6

C. SI unit of mass is ........a. kg b. molc. pound d. m3

B. Which one of the following property ofmatter is Not quantitative in nature ?a. Mass b. Lengthc

The branch of chemistry which dealswith study of separation, identification,and quantitai

Anna Patil (Thane, Maharashtra) supplied vacuum cleaner to a shopkeeper in Vasai(Mumbai) for

8. A wholesaler purchased electric goods for the taxable amount of ` 1,50,000. Hesold it to the re

7. A dealer supplied Walky-Talky set of ` 84,000 (with GST) to police control room.Rate of GST is 12

A company provided Z-security services for the taxable value of ` 64,500. Rate ofGST is 18%. Company

5. Smt. Malhotra purchased solar panels for the taxable value Q 5 Problem set 4A Financial Planning

3. A ready-made garment shopkeeper gives 5% discount on the Q 3 Problem set 4A Financial Planning

4. A trader from Surat, Gujarat sold cotton clothes to a trade Q 4 Problem set 4A Financial Planning

2. A dealer has given 10% discount on a showpiece of ` 25,000.Q 2 Problem set 4A Financial Planning

Q 1 Problem set 4A Financial Planning

5. Mr. D'souza purchased 200 shares of FV ` 50 at a premium of ` 100. Hereceived 50% dividend on the

4. Smt. Desai sold shares of face value ` 100 when the market value was `50 and received ` 4988.20.

3. Fill in the blanks given in the contract note of sale-purchase of shares.(B - buy S - sell)No. of

2. A share is sold for the market value of ` 1000. Brokerage is paid at therate of 0.1%. Wh