Question 1

? Which of the following solution has a higher boiling point

Accepted Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/ec1885dc187926640795337fb34e1a336cf730ab.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/c2ae49a5ff9b864ba5f4dd016c909bb9be07a6e5.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/0ffffdff1fa71a5066bbc04a4e36943f159705e2.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/5f5b5b96e662308e3443c50ddad55533e34a28de.gif

Question 2

? Number of atoms in half a mole of HCHO

Accepted Answer

2 x 6.02 x 1023

Answer

Avogadro's number

Answer

1/4 x 6.02 x 1023

Answer

1/2 x 6.02 x 1023

Question 3

What is the empirical formula of the compound that contains 85.6 % carbon and 14.4 % hydrogen? [C=12 , H=1]

Accepted Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/5cfd2e539c6f3613cf5c91b79d5e0b1dffa193e5.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/1d4b59f9cdbaca00e123a93eee48fd24b75dbf27.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/6f86d3f3efb0891991a2e93da7f7e860092e2293.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/82c3482527436878b7eed77bb11c7a3b78cafbc9.gif

Question 4

? Which of the following is not a strong base

Accepted Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/77f7505ce5b862f7b9fd60e5658620faa530ae96.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/7e4423bf14ecf30d96f271500f62cbe03b96d989.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/589cea4a8761b50ecdc1491880a2c78851f33a60.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/97787cde8d494d98eab66a50e134b86859c1b8d0.gif

Question 5

What is the number of types of salts that have phosphoric acid

Accepted Answer

3

Answer

4

Answer

2

Answer

1

Question 6

What is the type of the compound which dissolves in water and does not dissolve in benzene

Accepted Answer

polar or ionic

Answer

nonpolar only

Answer

Polar only

Answer

Polar or nonpolar

Question 7

Which of the following acids is a strong acid

Accepted Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/949a1f040dc1f67efbbed079a233454e9eb85839.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/a121c3c2ff3aeb7d025a6ce2e754c6439e543447.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/dc5d33a60d53597f839c1949b00e4d6b03b79b7e.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/a032373ec44e677d18dcc5034f2e025d2aabd2c1.gif

Question 8

Molal solution contains 1 mol of the solut in ….. [knowing that water density is =1KG/L ]

Accepted Answer

c) 1L of water

Answer

d) 22.4L of the solution

Answer

b) 1000 g of the solution

Answer

a) 1000 ml of the solvent

Question 9

Each of the following is a solution, Except …

Accepted Answer

a) Iron filling with Sulphur powder

Answer

b) Hydrogen chloride gas in water

Answer

d) Silver in mercury

Answer

c) Iodine in benzene

Question 10

Which of the following aqueous Solution has a lower freezing point

Accepted Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/1f283fb29f769ff3cccd1f6a233312f1fa077fc0.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/0660bbb6fd14e7f2141522992b04b59d883f2357.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/aea8c74be1a9d6bcef11f1a205dca0bfe3234b04.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/bee4b51aa0d01591baaec08e56d6d88e58c671ca.gif

Question 11

In a bucky ball, every carbon atom is attached to … other carbon atoms.

Accepted Answer

3

Answer

4

Answer

1

Answer

2

Question 12

Which of the following colloids is formed from the dispersion of liquid in solid

Accepted Answer

a) Hair gel, cheese and butter

Answer

d) Mayonnaise, hair gel and cheese

Answer

b) Milk, hair gel and blood

Answer

c) Aerosol, jelly and mayonnaise

Question 13

Which of the following measuring relation is incorrect

Accepted Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/0bdb43a84b7cb60faf88b855060cd35ea68f9bbd.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/5b39cfc5001414c6e8c165322fae2cbc7469fe37.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/e9182c9c37e58d541afa2c4938441f0ad88f3f37.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/d02356d6f32853e77dee9e7da99f70bfb0f06b8b.gif

Question 14

The following solution is equal in concentrations, which of them is alkaline

Accepted Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/b9b90ae7e8b3eb7785bdf726f0214b111afbfd26.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/88ab43dab7b263216436527b0371ae5395576aee.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/2ad023da0d23f3b82eb28df4ab6f2ad07fed1a51.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/65ac1da1c7f7b453fa7442de2a043e70f724fe33.gif

Question 15

What is the number of moles of hydrogen sulphide in 49.7g sample of it ? [S=32,H=1]

Accepted Answer

b) 1.46mol

Answer

a)0.686mol

Answer

c) 83.8 mol

Answer

d)24.7mol

Question 16

In which of the following compounds the mass percentage of hydrogen is higher 
[S=32,H=1,O=16,CL=35.5]

Accepted Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/6f5ce11e9d241fdf91982df3499c89c1caa4ac7c.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/75f4208f388b182e1ceab742965498c0ceaaee61.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/484966ded6a7a2cde412a9582638a6d21e4a7826.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/27ca5e753d7d1b783ebb4a88f542fb69b0ad4aa9.gif

Question 17

A mixture of sugar in kerosene is formed of particles whose diameter may =……

Accepted Answer

a)10000nm

Answer

c)100nm

Answer

b)980nm

Answer

d)0.1nm

Question 18

All of the following are Bro̎nsted-lowry acids EXCEPT …..

Accepted Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/9540939b8149133f14f5fdfd266cfef52b592094.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/a8eeb4c5f49efe34960454feed9dd83d1287d904.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/4f3ec25232af4582c8f22b104b6913682ce90643.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/c319b4d752112fab20398d956e14db54fefbff20.gif

Question 19

Which of the following values is not followed by a measuring unit ?

Accepted Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/3aa9568ce3b2e394c96dfb963c46d81eb4c2a99d.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/eccd4801d49fa6c205e520a3f6afba4895e6d121.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/1f1ab88352ddbae8ec2aac9a444ef828e82e1c64.gif

Answer

https://uploads.quizalize.com/e8a69876-f302-4871-83a5-06b5b206b6cd/question/69a09c84e6fae8b99b28a3cdded494ea5cea1155.gif

Question 20

The vapor pressure of the solution is … the vapor pressure of the pure solvent which forms is

Accepted Answer

c) Lower than

Answer

a) Equal

Answer

d) Non of the Previous.

Answer

b) Highr than

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