$A$ space rocket is propelled by

  • A
    An automobile engine
  • B
    Rocket propellant
  • C
    Nuclear submarine
  • D
    Steam engine

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Similar Questions

$A$ composite solid propellant consists of:

The propellant in the proposed $PSLV$ rocket of the Indian space programme shall consist of

Solid fuel used in rockets is a mixture of $Fe_2O_3$ and $Al$ (in ratio $1:2$ by moles). The heat evolved $(kJ)$ per gram of the mixture is $............$. (Nearest integer)
Given: $\Delta H_{f}^{\ominus}(Al_2O_3) = -1700 \ kJ \ mol^{-1}$
$\Delta H_{f}^{\ominus}(Fe_2O_3) = -840 \ kJ \ mol^{-1}$
Molar mass of $Fe$,$Al$ and $O$ are $56$,$27$ and $16 \ g \ mol^{-1}$ respectively.

Match List-$I$ with List-$II$ and select the correct answer using the codes given below the lists.
List-$I$ (Compounds) List-$II$ (Used in)
$A$. $BaSO_4 + ZnS$ $1$. Explosive
$B$. $NI_3$ $2$. Oxidiser in rocket propellants
$C$. $N_2O_4$ $3$. Space capsule
$D$. $KO_2$ $4$. Pigment

Which of the following is used as an oxidant with liquid propellant?

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