Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 

Answers posted by meena.p

12710
answers
0
best answers
0 votes
answered Aug 21, 2018
Solution : A spectator ion is an ion that exists in the same form on both the reactant and product s...
0 votes
answered Aug 21, 2018
Solution : Double displacement reactions may be defined as the chemical reactions in which one compo...
0 votes
answered Aug 21, 2018
Solution : A combustion reaction (commonly known as burning ) is an exothermic reaction in which som...
0 votes
answered Aug 21, 2018
Solution : According to the law of conservation of mass, themass of the products in a chemical react...
0 votes
answered Aug 21, 2018
Solution : A combination reaction (also known as a synthesis reaction) is a reaction where two or mo...
0 votes
answered Aug 21, 2018
Solution : Alkaline hazardous wastes are neutralised with strong mineral acid such as Sulphuric acid...
0 votes
answered Aug 21, 2018
Solution : Acidic hazardous wastes are neutralised with slaked lime, caustic soda or sodium hydroxid...
0 votes
answered Aug 21, 2018
Solution : $wt=\large\frac{w_1x_1+w_2x_2}{x_1+x_2}$$51.7 =\large\frac{50 \times x_1+5 \times x_2}{x_...
0 votes
answered Aug 21, 2018
Solution : When optically alkyl undergoes $S_N1$ mechanism it is accompanied by racemisation because...
0 votes
answered Aug 21, 2018
Solution : $2C_2H_2 + 5O_2 \to 4CO_2+2H_2O $and then $2n(C_2H_2)=5n(O_2)$$n=\large\frac{V}{V_m} $$2 ...
0 votes
answered Aug 20, 2018
Solution : $\angle EAB+\angle RBA =180^{\circ}$$\large\frac{1}{2} \angle EAB+\large\frac{1}{2} \angl...
0 votes
answered Aug 20, 2018
Solution : Sum of two interior angle should be $180^{\circ}$In fig(i) $132^{\circ}+48^{\circ}=180^{\...
0 votes
answered Aug 20, 2018
$45^{\circ}+64^{\circ}+ 72^{\circ}=181^{\circ}$But the sum of angles in a triangle be $180^{\circ}$H...
0 votes
answered Aug 20, 2018
Solution : The sum of interior angles on the same side of the transversal is supplementary $\therefo...
0 votes
answered Aug 20, 2018
Solution : https://clay6.com/mpaimg/sat71.jpg$OP \parallel RS$ (given) and $RL$ is the transversal $...
0 votes
answered Aug 20, 2018
Solution : given $\angle R= \angle P$=>QR= PQ$Since $QR=4\;cm,PQ=4\;cm$ https://clay6.com/mpaimg/...
0 votes
answered Aug 20, 2018
Solution : https://clay6.com/mpaimg/sat66.jpgSince AD bisects $\angle BAC$$\angle BAD =\angle CAD$$\...
0 votes
answered Aug 20, 2018
Solution : $AB= QR,BC=PR=>\angle B= \angle R$$BC= PR,CA=PQ=>\angle C= \angle P$$CA= PQ,AB=QR=&...
0 votes
answered Aug 20, 2018
Solution : In an isosceles triangle angles opposite to equal sides are equal side are equal. This i...
0 votes
answered Aug 20, 2018
Solution : SSA criterion does not exists for Congresses of triangle . In $\Delta ABC,BC=AB$, if $\an...
0 votes
answered Aug 20, 2018
Solution : ∠ABC=x+y" role="presentation" style="position: relative;">∠ABC=x+y∠ABC=x+y\
0 votes
answered Aug 20, 2018
Solution : https://clay6.com/mpaimg/sat65.jpg$130^{\circ}+\angle B+\angle C=180^{\circ}$=> $\angl...
0 votes
answered Aug 17, 2018
Solution : $5x+3x+x=180^{\circ}$$9x=180^{\circ}$$\therefore x=20^{\circ}$The angles are $100^{\circ}...
0 votes
answered Aug 17, 2018
Solution : Sum of two interior opposite angle is equal to one exterior angle. But the two angles $x+...
0 votes
answered Aug 17, 2018
Solution : $x+y+z=180^{\circ}$if $x=y+z$then , $2y+2z=180^{\circ}$$y+z=\large\frac{180^{\circ}}{2}$$...
0 votes
answered Aug 17, 2018
Solution : $\angle BRS=60^{\circ}$$\therefore \angle ARS=120^{\circ}$$\angle ARQ=25^{\circ}$$\angle ...
0 votes
answered Aug 17, 2018
Solution : https://clay6.com/mpaimg/sat63.jpgHence $2x+x=90^{\circ}$$3x=90^{\circ}$$x= 30^{\circ}$
0 votes
answered Aug 17, 2018
Solution : https://clay6.com/mpaimg/sat61.jpg$\angle 1 +120^{\circ}+\angle 2 =180^{\circ}$$\angle x=...
0 votes
answered Aug 17, 2018
Solution : https://clay6.com/mpaimg/sat60.jpg$x=43^{\circ}+36^{\circ}$$\qquad= 79^{\circ}$
0 votes
answered Aug 17, 2018
Solution : $\angle CAB =80^{\circ}$(alternate interior angles)Since AD is angle bisector $\angle CAD...
0 votes
answered Aug 16, 2018
Solution : This is a dilution problem , use $M_1V_1=M_2V_2$$(17.54\;M) \times (85.5\;mL)=M_2(250\;mL...
0 votes
answered Aug 16, 2018
Solution : Zinc react with sodium hydroxide $Zn+2NaOH→Na2ZnO_2+H_2$Zinc react with sodium hydroxide
0 votes
answered Aug 16, 2018
Solution : The added HCl is combined with the initial HCl to form a new strong add solution . total ...
0 votes
answered Aug 16, 2018
Solution : The color of anhydrous copper(II) sulphate is white when we remo...
0 votes
answered Aug 16, 2018
Solution : Phenolphthalein exhibits a pink color in basic solutions and is colorless in acidic solut...
0 votes
answered Aug 16, 2018
Solution : Solid sodium hydroxide reacts with carbon dioxide gas to form solid sodium carbonate and ...
0 votes
answered Aug 16, 2018
Solution : Step 1: Write the balancing formula 2(HNO3)+Ba(OH)2→Ba(NO3)2+2H2O" role="pres...
0 votes
answered Aug 16, 2018
Solution : Sulfuric acid react with sodium hydroxide to produce sodium sulfate and water. Sulfuric a...
0 votes
answered Aug 16, 2018
Solution : HCl is a strong acid and will dissociate completely in water to $H^{+}$ and $Cl^{-}$. For...
0 votes
answered Aug 16, 2018
Solution : Sodium sulphate chemically reacts with barium chloride in the form of their aqueous solut...
0 votes
answered Aug 16, 2018
Solution : An application of an alkali reacting with carbon dioxide is the drying of lime i.e. white...
0 votes
answered Aug 16, 2018
Solution : A strong acid is any acid that ionizes completely in solutions. This means it gives off t...
0 votes
answered Aug 16, 2018
Solution : Neutral pH is 7. An example of a neutral chemical is water.
0 votes
answered Aug 16, 2018
Solution : $(a)\;CaO(a)+H_2O(l) \longrightarrow Ca(OH)_2 (aq) $
0 votes
answered Aug 16, 2018
Solution : Displacement reactions occur when a metal from the electrochemical series is mixed with t...
0 votes
answered Aug 16, 2018
Solution : When magnesium reacts with hydrochloric acid, hydrogen gas and soluble magnesium chloride...
0 votes
answered Aug 16, 2018
Solution : Neutralisation is the reaction between an acid and a base to form a salt and water.$NaOH ...
0 votes
answered Aug 16, 2018
Solution : Hydrogen gas is formed as the metal reacts with the acid to form a salt. Many, but not al...
0 votes
answered Aug 16, 2018
Solution : Gold is very least reactive hence does not corrode at all.
Home Ask Tuition Questions
Your payment for is successful.
Continue
...