🔰PREVIOUS YEAR ASKED CHEMISTRY QUESTION IN VARIOUS EXAMS LIKE RAILWAY NTPC, GROUP D,ALP, RPF, SSC CGL, SSC MTS, SSC CPO, UPSC PRE EXAMS - Everydays Gk

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Wednesday, November 27, 2019

🔰PREVIOUS YEAR ASKED CHEMISTRY QUESTION IN VARIOUS EXAMS LIKE RAILWAY NTPC, GROUP D,ALP, RPF, SSC CGL, SSC MTS, SSC CPO, UPSC PRE EXAMS

🔰PREVIOUS YEAR  ASKED CHEMISTRY QUESTION IN VARIOUS  EXAMS LIKE RAILWAY NTPC, GROUP D, ALP, RPF, SSC CGL, SSC MTS, SSC CPO, UPSC PRE EXAMS

✅️ The chemical name of Quartz is? - Sodium Silicate
✅️SMOG is a combination of - Smoke and Fog
✅️ The highest percentage of carbon is found in which form of coal? -
Anthracite
✅️Acids react with bases to give – Salt

✅️Plaster of Paris is made from – Gypsum
✅️ Methane is present in the atmosphere of – Mars
✅️The main component of honey is – Fructose
✅️. Which one of the following acids is used in the manufacturing of baking
powder – Tartaric Acid
✅️ Which acid is used in photography – Oxalic Acid

✅️. Fertilizer having high nitrogen content is - Ammonium nitrate
✅️ The gas used for artificial fruit ripening of green fruit is – Ethylene
✅️ Which of the following has the longest wavelength - Radio waves

 ✅️ Tritium is an isotope of – Hydrogen

✅️Meson was discovered by – Yukawa

✅️. The maximum number of electrons on a principal shell is - 2n²

✅️. The horizontal line in modern periodic table is called – Period   (RRB GROUP D 2018)

✅️ Alkali metals are in a group - I A

✅️ The elements in group zero are called - Inert gases(RRB JE CBT-2 2019)

✅️The mineral which helps blood clotting
Ans : Calcium( HSSC 2019)


✅️Chemical name of Picric Acid is? – Tri Nitro Phenol(UPPSC 2018)

✅️ __ is known as laughing gas? – N2O(RRB GROUP D 2018)


✅️Which material is used in making of safety matches? – Red Phosphorous( UPSSSC 2019)

✅️ Nail polish remover contains? – Acetone
(RRB JE 2019)

✅️Which acid is present in Orange? – Citric Acid(SSC MTS 2019)

✅️ Lead pencil contains _ . –Graphite(RRB NTPC 2016)

✅️Which gas is used in filling electric bulbs __ ? – Argon
(RRB JE 2019)

✅️Lightest metal? – Lithium(RRB GROUP D 2018)

✅️ Acid rain is due to air pollution by? – Nitrous Oxide & Sulphur dioxide(RRB ALP 2018)

✅️ Ozone is __ _. – Diamagnetic
(UPSSC 2018)
 @railway_rrb_je_ntpc_rpf_alp

✅️. Petroleum is found in _ _. – Sedimentary Rocks
 (RRB RPF SI 2018

  ✅️Which gas is used in fire extinguisher? – carbon dioxide
RRB GROUP D 2018

 ✅️The most abundantly occurring element in the earth-crust is – oxygen( RRB NTPC 2016)

 @railway_rrb_je_ntpc_rpf_alp
✅️ Which is the major constituent of soda-lime glass – calcium oxide (UPPSC 2018)

✅️ How many atoms are present in one molecule of Ozone – 3

✅️Which metal is responsible for Itai-Itai disease – Cadmium
(RRB JE 2019)
@railway_rrb_je_ntpc_rpf_alp

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