Experimental Questions

Froggy Jumps

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“Are you a chemistry genius or still in the lab? Let’s find out in this quiz!”

Créé par

Abirami N

India

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#	Jeux	Précision	temps
1	VEDANT CHOUBEY (RA2511003010873) 7 Novembre 2025	% 80	01:59
2	ANBUCCHELVAN S S (RA2511003010833) 7 Novembre 2025	% 20	00:54

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Experimental Questions


Froggy Jumps Experimental QuestionsVersion en ligne “Are you a chemistry genius or still in the lab? Let’s find out in this quiz!” par Abirami N 1 The color of phenolphthalein indicator in acid solution is a Pink b Yellow c Colourless 2 Methyl orange is a Pink in acidic medium, yellow in basic medium b Yellow in acidic medium, pink in basic medium c Colourless in acidic medium, pink in basic medium 3 What is the indicator used for estimation of hardness? a Phenolphthalein b Methyl orange c Eriochrome Black – T 4 In EDTA method, the purpose of adding buffer is ________ a to maintain the pH of 6-8 range b to maintain the pH of 8-10 range c to maintain the pH of 4-6 range 5 When a strong base is added to a strong acid after the neutralization point a conductance decreases b conductance increases c conductance decreases initially and then increases gradually 6 Which among the following reagents is NOT required in conductometric titration of strong acid Vs strong base a HCl b NaOH c K2Cr2O7 7 In order to get accurate values in titration of HCL Vs NaOH, the NaOH is added in increments of a 2ml near and beyond the end point b 1 ml near and beyond the end point c 0.2 ml near and beyond the end point 8 Name the reference electrode and working electrode used in the estimation of Fe(II) ions by potentiometry. a Platinum electrode and Standard Calomel Electrode b Standard Calomel Electrode and Platinum electrode c Standard Calomel Electrode and Glass electrode 9 In the experiment, “Estimation of Fe(II) ions by potentiometry”, K2Cr2O7 acts as ---. a Reducing agent b Oxidizing agent c Indicator 10 Basically, potentiometer is a device for ---. a Comparing two voltages b Measuring a current c Comparing two currents 11 The units for specific conductance is… a Ohms b Ohms.cm c Mhos 12 If 20 g of NaOH is dissolved in 1 L distilled water, then what is the concentration of the solution? a 1 N b 0.05 N c 2 N 13 A pH value less than 7.0 means that the solution is a Conductive b Acidic c Caustic 14 How we will come to know that a given solution is acidic? a If its pH value is less than 7 b If its pH value is greater than 7 c If its pH value is less than 5 15 Which indicator is used in Mohr’s method? a Potassium Chromate b Potassium dichromate c Silver Chromate 16 Estimation of chloride reaction is a Redox reaction b Equlibrium reaction c Precipitation reaction 17 What is the oxidation state of Mn in KMnO4? a +6 b +7 c +9 18 Volume of different concentrations of polymer solution used (0.1, 0.2, 0.3 , 0.4 and 0.5 %) for each viscosity measurement a Varies with respect to concentration b Varies with respect to the size of the Ostwald viscometer c Remains fixed 19 A plot of hsp/ C (reduced viscosity) vs C is a ………. for dilute polymer solutions a “S” shape curve b Straight line c “V” shape curve 20 What is the SI unit of viscosity? a Candela b Poiseiulle c Newton/m

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Experimental Questions

Froggy Jumps

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Experimental QuestionsVersion en ligne

par Abirami N

The color of phenolphthalein indicator in acid solution is

Methyl orange is

What is the indicator used for estimation of hardness?

In EDTA method, the purpose of adding buffer is ________

When a strong base is added to a strong acid after the neutralization point

Which among the following reagents is NOT required in conductometric titration of strong acid Vs strong base

In order to get accurate values in titration of HCL Vs NaOH, the NaOH is added in increments of

Name the reference electrode and working electrode used in the estimation of Fe(II) ions by potentiometry.

In the experiment, “Estimation of Fe(II) ions by potentiometry”, K2Cr2O7 acts as ---.

Basically, potentiometer is a device for ---.

The units for specific conductance is…

If 20 g of NaOH is dissolved in 1 L distilled water, then what is the concentration of the solution?

A pH value less than 7.0 means that the solution is

How we will come to know that a given solution is acidic?

Which indicator is used in Mohr’s method?

Estimation of chloride reaction is

What is the oxidation state of Mn in KMnO4?

Volume of different concentrations of polymer solution used (0.1, 0.2, 0.3 , 0.4 and 0.5 %) for each viscosity measurement

A plot of hsp/ C (reduced viscosity) vs C is a ………. for dilute polymer solutions

What is the SI unit of viscosity?