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SSC Chemistry MCQ Question Solution 2021 PDF Download All Boards

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SSC Chemistry MCQ Question Solution 2021

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SSC Chemistry MCQ Question Solution 2021 Dhaka Board

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SSC Chemistry MCQ Question Solution 2021

SSC Chemistry MCQ Solution 2021 (Chittagong Baird)

Set – d

1. What is the ion of 5 gm carbon oxide gas in STP?

A. (a) 2.55L

2. What is the sign of soap?

A. (b) C16H33coOK

3. Which metal is the electric gate in the figure?

A. (c) Chromium

4. During the process of stimulation

(A) .O || |

5 | Organic compounds

A. (d) i, ii and iii

. What is the most common sign of alkyne?

A: (c) CnH2n-2,

Which of the following is used to remove insoluble viscosity in water?

A. (b) Alum

৮ | What is the oxidation number of ‘K’ in K202?

A: (a) +1

9. Which is the lychee metal?

A. (a) Platinum.

10. Which of the following is a forest of zero copper sulphate?

A. (a) White.

11. Which is the lead ore?

A. (b) Palena.

12. Which is the equivalent of butane?

A. (c) Cyclobutane

13. What is the mass of an atom of silicon?

A: (c) 2.324 x 10-23

14. Used to place pacemakers in the heart. Which one?

A. (d) 238Pu

15. Which of the following has greater atomic radius?

A. (b) Ca.

16. What is the number of elements in the 5th stage of the periodic table?

A. (c) 14 391

17. HCl (aq) + KOH (aq) -> KCl (aq) + H20 {I) Reaction:

(D) i, ii and iii

16. Which aqueous solution is electrically conductive?

A. (d) Tute

19. During the formation of bonds, each atom acquires the electron configuration of argon

A. (b) ii and iii

20 | What are the conditions observed when the temperature of meme reaches the melting point?

A. (b) Liquid and gaseous

21. How many grams of anjala are needed to produce 9 grams of water in the reaction of hydrogen and oxygen?

A. (d) 4

22. What is the number of neutrons in Fe atom?

A. (c) 30

23. Is produced by the combustion of octane

A. (a) i and ii

24. Which is the isotope of a compound?

A. (a) Ammonium cyanate

25. Aqueous solution of C compound

A. (c) ii and iii

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1. Which of the following does not change with the change of temperature?

A) Molecular structure

2. How many isotopes of hydrogen?

C) 3

3. By what means the structure of the atom can be explained

C) Quantum mechanics

4. ZnO + C> Zn + CO

Which of the following is oxidative in reaction?

B) Zn

5. In the 27 / 13Al3 + signal

B) Mass number 27 & neutron number 14 i.e. I & iii

. What is the oxidation number of Cr in K2Cr2O7 compound?

C) +6

. Which is used in lithium battery

D) LiCoO2

. Which is the indication of bleaching powder?

C) Ca (OCL) CL

9. A compound forms large molecules

B) SiO2

10. How many grams is equal to 1 mole of the reactant?

C) 287.4

11. Stimulating

) I, ii and iii

12. What percentage of 22 carat gold contains gold?

B) 91-67%

13. What is the actual mass of protons?

C) 1.675 * 10 ^ -24

14. In which compound does polarity exist?

A) HF

15. What SiCl4 produces when it reacts with water

B) SiO4

16. What are the acceptable levels of sodium benzoate?

C) 0.1%

16. Which compound dissolves in oil?

D) LN

16. Stimulating

) I & iii

19. What is the percentage of iron in the earth?

C) 5%

20. Which of the following reacts with mild acid with explosives?

A) Na

21. The compound A is

D)

22. Where A molecular mass 21

D) Uriya

23. What type of bond exists in CaH2?

A) Ionic

24. What is the value of H in the reaction?

B) -92KJ

25. What are the audience ions in the reaction?

C) K +, KO3-

Please wait, we are solving today’s chemistry question.

SSC Chemistry Question 2018

SSC Exam 2018 All Boards

Chemistry question paper

Time 2 hours 35 minutes

Integer 50

The number on the right is the full value of the question. Read the given stimuli carefully and answer the relevant questions. Any five questions need to be answered.

Question 1

A) What isotope called?

B) Explain that HF ​​is a polar compound

C) Explain the process of bond formation of element B with element C with the help of diagram

D) Analyze one of the variants of the variable but not the other with pictures.

Question 2

A) What is crystal water?

B) How does sodium hydrogen carbonate inflate cakes?

C) Explain the reason why reaction 2 is called wet analysis process

D) Analyze the reaction I with similarities whether it can be called oxidation and substitution reaction simultaneously.

Question 3

A) What is ore?

B) Explain a degradation process of Pb metal extraction

C) Explain with equation how the X compound of the catalyst will prove to be an unsaturated hydrocarbon.

D) Analyze the possible preparation of alcohol from the compound Y compound

Question 4

A) What is melting point?

B) Explain that sulfur has a variable conjugate

C) Determine the molarity of the stimulus solution

D) Calculate which compound will be depleted first in HCL installed on 25mg firmware in stimulant solution

Question 5

A) What is coke?

B) Ethane Ethylene Explain which of the following states.

C) Explain with equations that can be prepared from X to Y.

D) Y is very important to use but evaluate it as harmful to our health.

SSC Chemistry Question 2018

SSC Chemistry Question 2018

SSC Chemistry Question Solution 2018

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