Chemistry GK Practice Question and Answer
8 4 Q:
5f697a06f9079a64e3a50c7f 4 Q:
5f697aa5397b1a52908bfe4f 4 Q:
5f698fe6f9079a64e3a5b205 4 Q:
5eeade29ad25df5a63247c4f 4 Q:
5eeadf8e13d72d584fb2f4b0 4 Q:
5eeb11b813d72d584fb3fef0 4 Q:
5f697a52f9079a64e3a50eab 4 Q:
5f69905d397b1a52908c873a
Q: On heating copper powder in air, a layer of copper oxide accumulates on its surface. What is the color of this layer?
806 05f697a06f9079a64e3a50c7f
5f697a06f9079a64e3a50c7f- 1Blacktrue
- 2Whitefalse
- 3Yellowfalse
- 4Brownfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Black"
Q: What is the pH value of sodium hydroxide?
1053 05f697aa5397b1a52908bfe4f
5f697aa5397b1a52908bfe4f- 111false
- 212false
- 313false
- 414true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "14"
Q: What are the substances that participate in a reaction?
784 05f698fe6f9079a64e3a5b205
5f698fe6f9079a64e3a5b205- 1considerationfalse
- 2Deductivefalse
- 3reactantstrue
- 4Oxidizerfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "reactants"
Q: Is gas given with oxygen to patients for diagnosis of breathing problem?
963 05eeade29ad25df5a63247c4f
5eeade29ad25df5a63247c4f- 1Heliumtrue
- 2Organfalse
- 3Radonfalse
- 4Kryptonfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Helium"
Q: Which of the following properties does not show metals?
878 05eeadf8e13d72d584fb2f4b0
5eeadf8e13d72d584fb2f4b0- 1Sound naturefalse
- 2Tensilefalse
- 3electrical conductivityfalse
- 4Mandatatrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Mandata"
Q: Ant stings occur in?
904 05eeb11b813d72d584fb3fef0
5eeb11b813d72d584fb3fef0- 1oxide acidfalse
- 2Formic acidtrue
- 3lactic acidfalse
- 4None of thesefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Formic acid"
Q: Herbs- The decomposition of vegetables into compost is an example of which reaction?
802 05f697a52f9079a64e3a50eab
5f697a52f9079a64e3a50eab- 1endothermicfalse
- 2exothermictrue
- 3substitutionfalse
- 4Amphibianfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "exothermic"
Q: What type of reaction is respiration?
902 05f69905d397b1a52908c873a
5f69905d397b1a52908c873a- 1exothermic reactiontrue
- 2combination reactionfalse
- 3oxidation-reduction reactionfalse
- 4two-decomposition reactionfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "exothermic reaction"
en904rated