Chemistry Practice Question and Answer
8 4 Q:
63c7abc48731ac33279ac0bd 4 Q:
6258f7b7f5fb9a2759f0c057 4 Q:
608290e438ab470ae93bd340 4 Q:
63c8f9528731ac33279f0648 4 Q:
62ac7aa2184ea83a6380a6d9 4 Q:
63c7aabfb338bc336f08c023 4 Q:
62e7ec656f92bf0da7c49f2d 4 Q:
64242bd8dcb650c14569c06c
Q: A proton donor is a ____________ substance.
1147 063c7abc48731ac33279ac0bd
63c7abc48731ac33279ac0bd- 1Proton genictrue
- 2Photophilicfalse
- 3Amphotericfalse
- 4Amphiproticfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Proton genic"
Q: Which of the following is an oxidising agent ?
1144 06258f7b7f5fb9a2759f0c057
6258f7b7f5fb9a2759f0c057- 1KMnO4false
- 2K2 Cr2 07false
- 3HNO3false
- 4All of the abovetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "All of the above "
Q: .______ is least reactive element belonging to group 17.
1138 0608290e438ab470ae93bd340
608290e438ab470ae93bd340- 1Brominefalse
- 2Iodinetrue
- 3Chlorinefalse
- 4Fluorinefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Iodine "
Q: Why do we boil the extract with conc. HNO3 in Lassaigne’s test for halogens?
1136 063c8f9528731ac33279f0648
63c8f9528731ac33279f0648- 1To increase the concentration of NO3- ionsfalse
- 2To increase the solubility product of AgClfalse
- 3It increases the precipitation of AgClfalse
- 4For the decomposition of Na2S AND NaCN formedtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "For the decomposition of Na2S AND NaCN formed"
Q: Which of the following is/are the example/examples of chemical change?
(1) . Crystallization of sodium chloride
(2) . Melting of ice
(3) . Souring of milk
Select the correct answer using the code given below.
1129 062ac7aa2184ea83a6380a6d9
62ac7aa2184ea83a6380a6d9- 13 onlytrue
- 21, 2 and 3false
- 31 and 2 onlyfalse
- 4Nonefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "3 only "
Q: HCl is an Arrhenius ___________
1128 063c7aabfb338bc336f08c023
63c7aabfb338bc336f08c023- 1Acidtrue
- 2Basefalse
- 3Saltfalse
- 4Waterfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Acid"
Q: __________________ is a drug or substance that makes you feel relaxed and makes your body work and react more slowly.
1127 062e7ec656f92bf0da7c49f2d
62e7ec656f92bf0da7c49f2d- 1Antidotefalse
- 2Analgesicfalse
- 3Antihistaminefalse
- 4Depressanttrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Depressant"
Q: Which of the following is considered to be the fifth state of matter?
1126 064242bd8dcb650c14569c06c
64242bd8dcb650c14569c06c- 1Bose-Einstein condensatetrue
- 2Plasmafalse
- 3Solidfalse
- 4Gasfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Bose-Einstein condensate "
en26631popular