11. | acid is a substance that |
A. accepts electrons | |
B. provides electrons | |
C. gives proton | |
D. gives OH ion |
12. | Bhasma is the substance which |
A. gives proton | |
B. accepts a proton | |
C. gives electrons | |
D. accepts an electron pair |
13. | formed by reacting acid and ash |
A. acid | |
B. salts | |
C. Easter | |
D. alcohol |
14. | is formed in the neutral verb |
A. acid | |
B. consumed | |
C. salts | |
D. salt and water |
15. | Which is used for testing acid and ash |
A. litmus paper | |
B. cobalt sheet | |
C. ammonia paper | |
D. none of these |
16. | turns blue letters red |
A. acid | |
B. consumed | |
C. Salt | |
D. salts |
17. | turns red paper blue |
A. acid | |
B. consumed | |
C. salts | |
D. none of these |
18. | water soluble ash is called |
A. acid | |
B. Salt | |
C. salts | |
D. none of these |
19. | Which of the following is the correct statement |
A. alkalis have metallic luster | |
B. Alkali turns red litmus blue | |
C. All bases are ashes, but not all ashes are bases. | |
D. All of the above |
20. | All acids dissolve in water to give – |
A. OH¯ ion | |
B. H+ ion | |
C. electron | |
D. neutrons |