Science GK Practice Question and Answer
8 4 4 4 4 4 Q:
5ef417197c1ec61320b5a64d Answer : 2. "synchronous motor"
4 4 4 Q:
5ef44d082d6fc772f50b9543
Q: What among following is used to produce artificial rain ? 2416 05c2dbc879fd00135a4b21168
5c2dbc879fd00135a4b21168- 1copper oxidefalse
- 2carbon monoxidefalse
- 3silver iodidetrue
- 4silver nitratefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "silver iodide"
Q: The oxide of Nitrogen used in medicine as anaesthetic is ? 2383 05c2dc137f11ee42b64688fe4
5c2dc137f11ee42b64688fe4- 1Nitrogen pentoxidetrue
- 2Nitrous oxidefalse
- 3Nitric oxidefalse
- 4Nitrogen dioxidefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Nitrogen pentoxide"
Q: Which one of the following metals does not react with water to produce Hydrogen? 2348 05c2dc16c94bba731de8f0a40
5c2dc16c94bba731de8f0a40- 1Cadmiumtrue
- 2Lithiumfalse
- 3Potassiumfalse
- 4Sodiumfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Cadmium"
Q: Who is regarded as father of modern chemistry ? 2341 05c2dbb7eaea81766da94cac5
5c2dbb7eaea81766da94cac5- 1Ruterfordfalse
- 2Einsteinfalse
- 3Lavoisiertrue
- 4C V Ramanfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Lavoisier"
Q: Most commonly used motor in motor generator sets of high capacity?
2292 05ef417197c1ec61320b5a64d
5ef417197c1ec61320b5a64d- 1Cage Model Induction Motorfalse
- 2synchronous motortrue
- 3DC Compounder Motorfalse
- 4None of the abovefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "synchronous motor"
Explanation :
The tendency nowadays is to use synduction or synchronous motors. The synduction motor resembles an induction motor but runs at synchronous speed.
Q: The metallurgical process in which a metal is obtained in a fused state is called ? 2290 05c2dc37df11ee42b64688ff3
5c2dc37df11ee42b64688ff3- 1roastingfalse
- 2calcinationsfalse
- 3smeltingtrue
- 4froth floatationfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "smelting"
Q: Oil of vitriol is 2123 05c2dbcb10cb513238953f916
5c2dbcb10cb513238953f916- 1nitric acidfalse
- 2sulphuric acidtrue
- 3hydrochloric acidfalse
- 4phosphoric acidfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "sulphuric acid"
Q: Metal plate The metal used in the takri?
2123 05ef44d082d6fc772f50b9543
5ef44d082d6fc772f50b9543- 1Copper oxide and coppertrue
- 2Zinc chloride and carbonfalse
- 3Germanium and siliconfalse
- 4None of thesefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Copper oxide and copper"
en1593popular